Die Fragen und Antworten der Leser wurden auch bereits in zwei deutschsprachigen Büchern bei PIPER herausgegeben:
"Warum fallen schlafende Vögel nicht vom Baum?" und
"Was macht die Mücke beim Wolkenbruch?"
Am 10.06.2004 waren folgende Artikel unter "Topic: Numbers" aufgeführt:
Results 1 to 12 of 12
Number game: Why if you take any three-digit number, reverse the digits then subtract the smaller from the larger, the answer is always divisible by 9?
Russian roulette: How does Russian multiplication work?
Roman division: How did the Romans express fractions?
Numerical differences: Why, as they are different from the numerals used in Arabia, are our numbers called Arabic?
Numbers game: The peculiar behaviour of cyclical numbers
Symbolic uses: Are extreme SI prefixes like zepto and yotta really useful for anything in daily life?
The numbers game: Why is it that when you keep adding up all the digits of a number until you are left with a single digit, then if the original number is divisible by 3, so is the result?
Roman knows: Doing maths with Roman numerals
Colour coding: What do the numbers printed on the back of colour photographs made by photo labs represent?
Fast work: Why does searching my PC for a file take several minutes, yet searching for phrase in a search engine like Google, take a matter of seconds?
Mystery digits: The mysteries of postal codes
Carrot brains: A strange brain teaser about numbers and carrots
Sites on "Measure 4 Measure" are organized into the following categories: Science/Math | Health | Finance | All 'Round the House | A Measure Of Everything Else
Science/Math
Acceleration Equivalents - Enables you to convert between nine units of acceleration.
Angular Acceleration - Convert to and from various units.
Angular Velocity - Convert to and from various units.
Area Equivalents - Convert area measures from one square unit to another.
Biopolymer Calculator - Calculate the molecular weight, the extinction coefficient, the concentration, and the melting temperature of a single stranded nucleic acid. Additionally, you can enter a protein sequence and calculate the molecular weight (using average isotopic mass), extinction coefficient, the concentration, and the formal charge. For both sets, either nucleotide or amino acid composition and percentages are calculated.
The Body Height/Weight Converter - Converts body height and body weight from English to metric units or from metric to English units.
Body Surface Area Calculator - A form which allows you to calculate an adult's Body Surface Area (BSA), based on height and weight.
Capacitance - Convert to and from various units.
Capacity and Volume -Convert between metric, U.S. liquid and dry measures, British Imperial liquid and dry measures, Old Russian liquid and dry measures, and cooking measures. Just enter the amount you know and then click in any other box to see all the conversions.
Circular Measure Conversion - Enter either the circumference, radian, degree, grade or nautical rhumb to find the other four.
Compressible Aerodynamics Calculator - Computes the standard relations for compressible flow of a perfect gas.
Computer Storage Conversion - Converts between bits, bytes, megabytes and seven other computer data storage units.
Conversion Page - Use this page to convert to and from U.S. fluid to metric measures and U.S. dry to metric measures.
Conversion of Units - Convert to and from over 500 different units.
Dendritics - Units Calculator - Convert weight between grams, carats, pennyweights, ounces.
Density Altitude Calculator - This calculator shows you how much the air conditions on any given day will alter the density of the air. Enter the altitude, temperature, altimeter setting and humidity, then click the calculate button.
Energy/Work Equivalents - This site gives you nine choices of units of energy/work to convert to and from.
Fruit Conversions - Apples and oranges.
Geometric Calculators - A trio of calculators to help you determine the circumference and radius of a circle, the surface area and volume of a cone, and the surface area and volume of a sphere.
Graphing Vector Calculator - Learn about vectors and vector operations by sketching and playing with them.
Heat Index Converter - This calculator will take your air temperature and relative humidity and calculate the heat index.
Ideal Gas Law Calculator - Solve for pressure, volume, moles or temperature.
Illuminance Conversions - Convert between seven units of illuminance.
Inductance Conversions - Convert between seven units of inductance.
Inverse Symbolic Calculator - A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers. It also serves as a way to produce identities with functions and real numbers.
Jumpin' Jehosaphat, the Counting Sheep - Give Jehosaphat a simple math problem to solve and she'll jump the answer!
Length Conversions - Convert lengths between twenty-five different units of measurement.
Luminance Conversions - Convert between five different luminance units of measure.
Magnetic Flux Conversions - Convert between three different units of magnetic flux.
Mass Conversions - Convert between forty-seven different units of measurement.
MegaCalculator - More than forty calculators in one, with links to dozens more.
Metrology Equivalents - Convert to and from eight units of metrology.
Percent Calculator - Helps you figure out percentages easily.
Power Conversions - Convert to and from eight units of power.
Prime Number Calculator - Easily determine if a number is prime or not.
Specific Heat Conversions - Convert to and from three units of specific heat.
Temperature Conversion Calculator - Convert a temperature to and from Celsius, Fahrenheit, Réamur, Kelvin and rankine.
Thermal Conductivity Conversions - Convert to and from nine units of thermal conductivity.
Time Conversions - Convert to and from fourteen units of time.
Torque Conversions - Convert to and from five units of torque.
U.S. Fluid or Liquid Equivalents - Convert between eight different units.
Velocity Conversions - Convert to and from twenty-nine units of velocity.
Volume Conversions - Convert to and from seventy-six units of volume.
The Weather Calculator - The El Paso National Weather Service Office's weather calculator features temperature, moisture, pressure and wind unit conversions for 16 different weather-related variables.
WebMath: Instant Solutions to your Math Problems - This is a site with calculators that will help you solve a huge variety of math problems from everyday simple problems (figuring a tip; the sale price of an item) to word problems, converting fractions to decimals, as well as help with trigonomy and calculus problems.
Weight Conversion - Several tools for converting units of weight and mass.
Wind Chill Calculator - Enter a temperature and wind speed that you would like calculated to see what the temperature feels like to your body.
Wind Shade Calculator - This calculator shows the shelter effect (wind shade) of blunt obstacles (buildings, trees) in any 30 degree sector near a wind turbine.
Health
Activity Calorie Calculator - Calculate the number of calories you burn for 156 activities. Fill in your weight and the average amount of time you spend working out. If you enter the time as one minute, you'll you know how many calories your body burns per minute for each activity.
Asthma Calculator - This calculator can help you determine if asthma is causing you to be out of breath.
Bladder Control Calculator - This calculator can help you determine the reasons why you may be always looking for a bathroom.
Blood-Alcohol Content Calculator - This calculator can help you determine your BAC [Blood-Alcohol Content].
Body Fat Estimator - This estimator uses two different methods, one based on height and weight, the other based on waist size and weight, to estimate your body fat. (Taking the results with a large grain of salt is recommended.)
Body Height Weight Converter - Converts body height and body weight from American to metric and from metric to American units.
Body Surface Area Calculator for Medication Doses - Calculates Body Surface Area for medication doses and includes descriptive statistics.
Breast Cancer Risk Calculator - Calculate a woman's probability of developing breast cancer, using risk factors.
Calorie Calculator - Enter your height, weight, age, sex and daily activity level to find your calorie calculations.
Calorie Control Council's Enhanced Calorie Calculator - Search the database for the foods you've eaten (or plan to eat) throughout the day. Calculator will generate number of calories and fat grams for your daily diet. Follow the directions at the bottom of the page.
Calories Burned, BMI and BMR Calculator - Calculate calories burned from a list of activities, plus BMI and BMR. Work in calories or kilojoules; pounds, kilograms or stones; feet or centimeters; miles or kilometers.
Carbohydrate Calculator - This calculator helps you determine what is your daily carbohydrate intake requirement.
Caregivers' Readiness Calculator - This calculator helps you assess your readiness to be a caregiver while helping you find practical ways to get help and learn how to cope with the stresses of caregiving.
Cholesterol Reduction Calculator - This calculator helps you determine if you are at risk for heart disease.
Cost of Smoking Calculator - Have you got money to burn?
Depression Calculator - This calculator will help you determine if what you're feeling is more than the blues.
Diabetes Type II Risk Calculator - This calculator helps you determine if you are at risk for adult-onset diabetes.
Due Date Calculator - Use this calculator to figure out when your baby is due.
Exercise Risk Calculator - Use the Exercise Risk Calculator to determine whether or not you should consult a physician before starting an exercise program.
Fat Intake Calculator - What is your recommended daily fat intake?
Fiber Calculator - This calculator helps you determine your daily fiber requirement.
Food Calories and Nutrition Calculator - Calculate calories and nutrition for grocery and fast food items; enter your own food items and recipes; compare foods for high or low protein, fat, carbohydrate, fiber or sodium content; track calories burned vs. calories eaten.
Growth Percentile Calculator - See how your child's measurements compare to those of his or her peers.
Heart Disease Risk Calculator - This calculator can assess the likelihood that you will experience coronary heart disease in the next 10 years.
Height Prediction Calculator - This calculator will predict how tall a child is likely to be. You enter the child's sex, age, weight and height and the height of the child's mother and father.
HIV Risk Calculator - Use the HIV risk quiz to help you determine whether you should take an HIV test.
Ovulation Calculator - To help determine the time range for ovulation, this ovulation calculator takes day 14, the middle day in the spread, and the length of your cycle, as its variables.
The Postpartum Weight-Loss Calculator - Helps you determine how many calories you should eat to lose those post-baby pounds.
Preconception Weight Loss or Gain Calculator - "Planning to get pregnant? Getting down -- or up -- to your ideal body weight can help you have a healthier pregnancy. How much should you weigh? Find out here. "
Pregnancy Calendar - Generate a customized day-by-day calendar of your pregnancy based on your baby's due date.
Pregnancy Weight Gain Estimator - Not sure how much weight you're supposed to gain? And where does it all go, anyway? Enter your pre-pregnancy height and weight, and you'll get an estimate.
Protein Calculator - Are you eating enough protein?
Sleep Calculator - Are you getting the sleep you need?
Stress Calculator - Use the stress calculator to categorize how stressed you are.
Target Heart Rate Calculator - You enter your personal statistics to find your target heart rate while exercising.
Waist to Hip Ratio Calculator - Are you an apple or a pear?
Finance
Affordability Analyzer - A calculator which helps you determine the price of the house that you could afford to buy based on an analysis of your savings and your budget.
Annual Yield Calculator - This calculator computes the annual yield required to achieve a given total return over a specified number of years. To calculate the required annual yield, you either enter a total rate of return or the present value and desired future value of the investment.
Annuity Calculator - Estimate how your savings will grow over time.
Car Lease Calculator - This calculator takes a MSRP, bargained discount (%), down payment, lease length and lending rate to calculate estimated lease payments.
CCH Federal Withholding Calculator - This calculator may be used to determine the appropriate withholding allowances and additional withholding amount to be reported to the taxpayer's employer on Form W-4. This calculator reflects the tax law changes, rate decreases, and inflation-adjusted amounts that are applicable to 2002 taxes.
College Budget Planner - This site helps create a realistic budget for college expenses. It includes those items easy to overlook, like newspaper subscriptions, auto registration and pet care expenses.
College Cost Projector - College costs increase at about twice the inflation rate. Current increases have averaged from 6% to 7%. The College Cost Projector calculates an estimate of how much college will cost several years from now.
Compounding Calculator - This calculator takes a lump of money and compounds it monthly over a fixed period of time at a fixed annual yield. Plus it allows you to add monthly contributions.
Financial Aid Estimation Form - This form is used to prepare an estimate of the Expected Family Contribution (EFC) and financial need.
Historical Currency Table - The Historical Currency Table allows you to download a whole period with exchange rates plus an average, high and low rate.
How Much Estate Tax Will You Pay? - This calculator provides a way to estimate what your estate might be worth in the future.
Inflation Calculator - This calculator adjusts any given amount of money for inflation, according to the Consumer Price Index, from 1800 to the present.
Life Insurance Needs Calculator - Helps you estimate how much life insurance you should carry, so that there will be enough money to pay for your children's education and your family's living expenses should you die.
Loan Calculator and Amortization - Suppy the loan amount, loan term in months or years, interest rate, loan start date and this calculator will figure your monthly payment. You can also calculate the impact of extra payments.
Loan Comparison Calculator - Computes an estimated monthly loan payments for three loans at the same time. You can also use it to compare the total payments and total interest paid for different interest rates, loan terms, and monthly payments.
Loan Payment Calculator - The Loan Payment Calculator computes an estimate of the size of monthly loan payments and the annual salary required to manage them without too much financial difficulty.
OANDA Currency Converter - You can view any exchange rates among the 164 currencies for any day since 1 January 1990 through today. The currency converter is updated daily at 8:00 p.m. EST. Type the amount you wish to exchange. Choose the desired currencies and a date (note the day/month/year format).
Parent Loan Calculator - This Parent Loan Advisor provides you with an estimate of the amount of educational debt you can reasonably afford for your children's education, given
Precious Metal Calculator - Calculate the latest on-line price for gold, silver, platinum, palladium.
Relocation Salary Calculator - This site, which maintains cost of living information in hundreds of U.S. and international cities, helps you figure out what an equivalent salary would be in the new city compared to what you earn where you live now. Hint: Omit commas when entering salary figures.
Roth vs Traditional IRA Calculator - Compares Roth vs traditional IRAs based on your current age, IRA balance, annual contributions, estimated returns, inflation, and tax rates.
Saving Bonds Redemptive Value - Supply denomination, series, and date of issue. Then click on "compute value."
Savings Growth Projector - This calculator illustrates how regular contributions to an interest-bearing bank account or investment fund will grow due to compound interest. Interest is compounded at the same rate as the contribution frequency.
Savings Plan Designer - Shows how much money you must contribute each month to an interest-bearing bank account or investment fund in order to reach your savings goals.
Savings Plan Yield Calculator - This calculator computes the annual interest rate required to reach your savings goal given the present value of your savings, the value of your regular contributions, and the amount of time available.
Student Loan Advisor - The Student Loan Advisor provides you with an estimate of the amount of educational debt you can reasonably afford, given the expected starting salary for your major. This advisor is for Undergraduate students; links are provided for advisors for Master's and Doctoral students.
Tuition Savings Calculator - Enter the current annual tuition of your favorite institution and what you think your average tuition inflation and investment return will be. Then put in the years until your children go to school and how much you have already to invest and how much you will contribute each year.
What's Missing Calculator? - This calculator finds the missing variable for a loan. If you know the payment, term and the loan amount it calculates the interest rate. If you know the payment amount, loan amount and the interest rate, it calculates the term.
What's Your Yield? - Enter your starting balance, your ending balance, monthly contribution and number of years and find what monthly yield would be required.
All 'Round the House
Attic Insulation Calculator - Calculate energy savings with increased insulation. Click on the insulation you currently have and then the insulation you would like to add to see how much heat you could save.
Bath Estimator - Use this Bath Estimator to get a ballpark figure how much it will cost to remodel your general bathroom type. Then drill down into each bathroom component, choose features and products you want, and see how it affects the bottom line.
Board Feet Estimator - One board foot is the nominal quantity of lumber derived from a piece of rough green lumber 1 inch thick and 1 foot wide by 1 foot long. This calculator calculates lumber quantities in various units of measure based on dimensions and length entered.
Bolts and Screws: Conversion from Fractions of an Inch to Millimeters - Not a calculator, but a handy chart that will help you convert bolts and screws sizes from fractions of an inch to millimeters.
Carbon Debt Calculator - Figure out the amount of carbon dioxide that your household is responsible for releasing into the air through energy use and other activities, and estimate your impact on global warming.
Carpet Calculator - The carpet calculator allows you to determine the area of one or more rooms and then calculate how much carpeting is required. It also determines how much carpeting is required for hallways, stairs, and landings.
The Community Calculator - Helps you identify neighborhoods in other communities in the United States with lifestyles that match yours.
Compare Furnace Efficiencies - This applet will determine how much money you will save (or spend) when purchasing a new furnace. Just plug in the old furnace efficiency rating (either known or estimated) and the efficiency rating of the new furnace you are planning on purchasing and you'll get the answer.
Concrete Calculator - This applet estimates the cubic yards of concrete needed for a given area.
Deck Estimator - Use this estimator to pick your deck size and material, add in a few options, and then get a close estimate. Pricing is locally based, according to your zip code.
Drywall Tile Calculator - Helps you figure out how many 4 x 8 sheets of drywall you'll need.
Fencing Calculator - The Fence Calculator will determine how many posts are needed for a fencing project. Just plug in the area of fencing and spacing in feet between posts.
Fertilizer Calculator - This calculator will help you figure out how much fertilizer to put on your lawn.
Fuel Cost Comparisons - This calculator will estimate the cost associated with each type of fuel. You will need to know your local prices and the efficiency of your heating equipment, although estimates have been supplied. Adjust the numbers below to correspond to your particular situation.
High-Efficiency Fluorescent Lighting Cost Savings Calculator - This calculator lets you see how much you could save - dollars and energy - by using high-efficiency fluorescent lights instead of the old standard incandescent bulbs. Or, if you already use the fluorescent, you can find out how much you are already saving.
Kitchen Estimator - Use this calculator to get a ballpark figure how much it will cost to remodel your general kitchen type. Then drill down into each kitchen component, choose features and products you want, and see how it affects the bottom line.
Lumber Calculator - Helps you figure out how much lumber you'll need.
Moving Cost Calculator - Use this calculator to estimate interstate or local moving cost in the United States. Step 1 is to pick states, step 2 is to pick cities and list furnished rooms.
Paint Calculator - You enter the room dimensions to calculate the total painting area and find out how many gallons of paint you'll need.
Patio Estimator - Use this estimator to pick your deck size and material, add in a few options, and then get a close estimate. Pricing is locally based, according to your zip code.
Roofing Estimator - To determine how many roofing squares you need for your project, click the blue button and enter the measurements of your roof—rounded to the nearest foot—into the pop-up calculator.
Sheet Vinyl Calculator - Helps you figure out how much sheet vinyl to buy.
Soil Texture Triangle: Hydraulic Properties Calculator - Enter values for percent sand and percent clay and click on [Calculate] to obtain the soil properties.
Thermostat Set-Back - Calculates fuel savings by adjusting your thermostat settings. (Scroll down the page.)
Tile Calculator - To estimate the number of ceramic tile required for your project with the ceramic tile calculator, you must first determine the total square feet of the area to be tiled. Enter the length and the width of the area into the Tile Calculator, along with the size of tiles and border tiles (if any) to be used.
Water Consumption Calculator - Enter the details about your household's water usage to calculate your total water consumption in terms of litres per week and cubic metres per year.
Window Air Conditioner Estimator - Calculates the size of a window air conditioner for your circumstances.
Window Upgrades - Calculate energy savings with various window replacements.
A Measure of Everything Else
The Abacus: The Art of Calculating with Beads - Explains the history and use of this ancient calculator. Site includes click and point abacus.
The Age Calculator - Enter your birthdate and you'll see your age in years, weeks, months, days, hours, minutes and seconds and a countdown to how long til your next birthday.
Alta Vista Translation Service -- BabelFish - You provide either plain text or the address (URL) of a Web page to translate from English into French, Spanish, Portuguese, German or Italian or vice versa. For real fun, try translating something into a second language and then back again into the original language.
Amateur Radio RF Safety Calculator - Use this calculator to estimate power density in the main lobe of an antenna, with use of the EPA-recommended ground reflection factor as an option.
Arto's String Calculator - A page for calculating plain string tensions and diameters. Made with lute instruments in mind, it can be used for all stringed instruments: harpsichord, harp, viola da gamba, guitar, even grand piano.
Baby Name Finder - Helps you pick the perfect name for your baby. Find a name by sex, ethnic origin, number of syllables, etc.
Barcode Server - Fill in the field with a 12-digit number and it will generate a barcode for you, like those UPC things see on food, or the codes on CDs and tapes. Also has a link to a site which explains how barcodes work.
Beer Recipator - A Beer Recipe Calculator. An interactive set of web pages that homebrewers can use to formulate their recipes online. Calculations for original gravity, color, and bitterness are all carried out on the same web page, much like a typical spreadsheet program.
The Biorhythm Calculator - Feeling ecstatic? Sad? Energized? Unmotivated? But you don't know why? Could be your biorhythms! Enter your birthdate and see your biorhythmic state today. Want to see how you might feel before a big meeting or date next week? Type in a future date.
Birthdate Calculator - Calculates birthdate from death date and age of death in day-month-year format.
Bowling Score Calculator - Keep track of your bowling game or virtually replay a previous game and find out what a difference making that spare in the fifth frame might have made.
Calculation of the Ecclesiastical Calendar - Enter a year, get the days and dates for several Ecclesiastical celebrations during that year, including Easter and the movable celebrations related to it.
Calendar Converter - This page allows you to convert dates among various calendar systems. Each date entered will be converted to: Gregorian calendar, Julian day, Julian calendar, Hebrew calendar, Islamic calendar, Persian calendar, Mayan calendar, Bahai calendar, Indian Civil calendar, French republican calendar and ISO-8601 Week and Day and Day of the Year.
Cooking Measures and Conversion Calculator - Sponsored by eGG (electronic Gourmet Guide), this site features a series of calculators for cooks who need to convert within or between British and American systems of measure.
Crossword Helper - You enter the letters that are known in the corresponding boxes. Then select the length of the word and click the "Show Completions" button. All words of the specifed length with matching characters in the corresponding positions will be displayed. [New URL - Click on the link and choose "Crossword Helper" from the menu.]
Crop Calculators - A collection of calculators that will help figure the cost of production, grain measurements, pesticides, and seeding.
Crypto Cracker - Crypto Cracker is a tool for cracking word ciphers, also known as cryptograms or cryptoquotes, a puzzle where one letter in the puzzle is substituted with another. Will also encrypt a phrase.
Day Count Calculator - This calculator will tell you the number of days between two dates.
The Death Clock - "The Internet's friendly reminder that life is slipping away... second by second. Like the hourglass of the Net, the Death Clock will remind you just how short life is."
Dog Age Calculator - To find your dog's age in human years, to enter your dog's age and press the fetch button.
Egyptian Math Calculator - Use the calculator and the numbers are translated into hieroglyphics.
Fabric Calculator - Helps you figure out how much fabric you'll need to make a quilt. You enter the size of the quilt block, the number of blocks across and down and the width of the fabric. If you include the percentages of lights, mediums and darks you're planning, the calculator can give you the yardage by value.
Golf Handicap Calculator - Enter your last 5 scores along with the corresponding Course Rating and Slope Rating.
Great Circle Distance Calculator - This java applet calculates the Great circle distance between two points on the Earth's surface. Just enter the Latitude and longitude in degress, minutes and seconds of both points and click 'Calculate.'
Hex Converter - Converts RGB values from paint programs into Hex for homepage design.
Hop Bitterness Calculator - Fill out the form to find out the estimated Bittering Units (BU) in your homebrew and click "Calculate." The Bitterness Calculator takes into account both the time of boil and the wort gravity during the boil.
Horse Height Conversion - This calculator helps you convert back and forth between hands and other measurements of height.
How Far Is It? - You supply the name, zip code, or longitude and latitude of any two places in the world and you can find the distance between them (as the crow flies). This site will also provide a map showing the two places, if you wish.
International Shoe Size Conversion Chart - Not a calculator, but a chart which helps you convert international shoe sizes.
Internet File Download Time Calculator - You enter the size of the file (KB, MB or GB) and the speed of your connection to find out how many hours, minutes, and seconds it will take to download the file.
The Intoximeters Inc. Drink Wheel Page - The Drink Wheel is a form that you can fill out that will compute your estimated blood/breath alcohol concentration ("BAC") based on your information.
Leap Year Calculator - Check to see is a certain year is a leap year or to find the leap years within a range of years.
The Longevity Game - Calculate how long you can expect to live based on life insurance industry research.
Lye Calculator - This is a tool for soapmakers to create new soap recipes. The Lye Calculator will calculate the amount of lye (either sodium hydroxide or potassium hydroxide) required to convert the specified amount of fats and oils to soap.
Mayan Date Calculator - This calculator will give a long count, calendar round, and night god for any date from 1903 onwards.
Meeting Room Size Calculatorr - Find the approximate room size you'll need depending on your room setup and arrangement.
MegaConverter 2 - Unique interface calculates a diverse range of unit conversions between both modern (metric, U.S., British, etc.) and ancient measuring systems. Also includes a variety of other conversions: hardware nails, numbers in the millions and billions and zillons, typography, weight in space, kitchen measures and much, much more.
Men's Clothing Conversion - Convert men's clothing sizes between different countries.Includes shirts, suits, coats, sweaters, shoes, hats, and underwear.
Morse Code Translator - You type in the text you'd like translated into code in the Input box and push the button. Or enter Morse code in the box then push the button to translate it to words.
Office Space Calculator - Enter a quantity for the number of offices required and or change room dimensions as appropriate for your needs. Totals will be recalculated when you change a value and leave that cell.
Paper Sizes - Although this site does not have a calculator, it does deal with measures. Specifically, the measurements of sheets of paper. It features history of paper sizes and charts which show standard U.S. and European paper sizes.
Quad Antenna Calculator - The Quad Antenna Calculator will give you specific measurements and instructions to construct a Quad Antenna for a given frequency. You simply fill in the box with the frequency and it calculates such details as length of each side of quad total length of elements, spacing between each element and details for construction. This calculator is of interest to all Radio Amateurs.
Quarterback Passer Rating Calculator - Fill in the number of attempts, completions, passing yards, touchdowns and interceptions and the quarterback passer rating will be figured for you.
Ring Size Conversion - Convert your ring size to the ring size used in other countries.
Search the FLfT Pages - Search the Foreign Languages for Travelers Pages for a particular word or phrase to be translated into all 30 of the languages FLfT covers. The searches are case-insensitive and you can enter a word in any language. Wildcards (*) and Boolean searches are allowed.
Smoke Density Calculator - This calculator computes diesel soot density from smoke opacity.
Space Calculator - The space calculator is designed to help you determine your office space needs. Choose between private offices, workstations, meeting rooms and other areas.
The Sock Calculator - Calculates instructions for knitting a pair of socks. Supply the gauge you'd like, enter a series of measurements and decide whether you'd like to hand or machine knit and the directions will be supplied.
Sweater Pattern Calculator - Select the style of sweater, the type of yarn and the size and click "Go" to generate knitting instructions.
This to That (Glue Advice) - Choose what you'd like to glue to what (fabric, wood, plastic, paper, glass, etc.) and they'll recommend the glue to use.
Turbo! Tire Size Calculator - Use this customized tire size calculator to compare your current tire size to a new and different size tire, or any two tire sizes you might think of (within reason).
Typography Conversion - Convert between five units of typography.
USPS Domestic Rate Calculator - United States Postal Service calculator that helps you figure out how much it will cost to mail that letter or package. There is a link on this page to an international rate calculator, as well.
Virtual Mexico Mall -- Mileage Calculator - Click on any two city names with red dots on this map of Mexico to see the driving distance between the two cities.
Women's Clothing Conversion - Conversions between American and other countries' sizes for women's blouses and sweaters, shoes, and dresses in junior, misses and women's sizes.
Word Frequency Indexer - Create a frequency index, or 'word list', of any text. Just paste or type in your text and select the sort order you'd like.
Word Jumble - Helps you unscramble words with up to 25 characters. [Click on the link and choose "Word Jumble" from the menu.]
Word Morph - You enter a word and the computer will come up with a list of words differing from the original word by one letter. [Click on the link and choose "Word Morph" from the menu.]
Words in a Word - Helps you solve those "How many words can you find in a word?" puzzles. You put in your starting word, indicate the minimum number of letters a word can have, and the computer will do the rest. [Many people have written to me saying they can't access this site, so here's a backdoor into it. Click on the link and choose "Words in a Word" from the menu.]
Yardage Calculators - A collection of tables to convert yards to metres, or to calculate how much fabric you need to buy for your quilting projects.
Your Name in Japanese - Type in your English name and it will translate your name into Japanese in your choice of fonts.
Your Name in Latin - Type in your first name, last name and place where you live and it will translate your name into Latin.
Your Weight on Other Planets - Enter your weight and find out. Be glad you don't live on Jupiter!