These scripts all deal with JavaScript Calculators. They either serve a specific purpose (figuring tax price) or are just general calculators. They are very difficult to write - just look at the code.

Title: 5 Function Calculator
Details: 1.72 KB * Uploaded April 16 1998
Description: Here is a really simple JavaScript calculator - with just 5 functions! (Add, subtract, multiply, divide, and power) This example can help you see how JavaScript evaluates math functions! Check it out!

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Title: Ad Calculator
Details: 2.09 KB * Uploaded August 27 1999
Description: Selling ad banners has just got easier! Just enter two fields of the three fields of information, such as the total cost, CPM (cost per thousand impressions), and exposures (number of ads shown), and the calculator will solve the last field for you.

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Title: Adjusted Cost Base
Contributor: Gordon Coverley (gordonc@mondenet.com)
Details: 2.84 KB * Uploaded August 31 2000
Description: Computes the average cost base (or cost per share) for a series of stock or mutual fund purchases. When a sale is entered, the capital gain (or loss) is calculated.

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Title: Advanced Calculator
Details: 4.05 KB * Uploaded June 21 1997
Description: This is a very comprehensive JavaScript calculator. Although the source code can get quite confusing, it works.

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Title: Age Calculator
Contributor: Dev Pragad (devpragad@yahoo.com)
Contributor URL: http://www.geocities.com/devpragad
Details: 10.86 KB * Uploaded December 8 2000
Description: Just enter the birthday you wish to track and JavaScript will display the person's age, down to the second. Displays your age along with the day you were born. Cool!

[ Get Source Code ]

Title: Airport Calculator
Contributor:Joe Josey (jjosey@jomist.net)
Contributor URL: http://www.foxberry.net/jjosey
Details: 18.7 KB * Uploaded July 24 1998
Description: This useful JavaScript calculator will tell you the degrees, Nautical Miles, Statute Miles, and Kilometers between your originating and destination airports. It's got a built-in database of over 150 of the most traveled airports! Very neat! I've given a copy to everyone I know who fly often. ;-)

[ Get Source Code ]

Title: Amortization
Contributor: Brian Cordeau (stdbsc13@shsu.edu)
Contributor URL: http://www.shsu.edu/~stdbsc13
Details: 7.76 KB * Uploaded November 27 2000
Description: Calculate monthly mortgage payments quickly and easily. Displays an Amortization Table. Great!

[ Get Source Code ]

Title: Area Calculator
Contributor: Michael Hundt (mchundt@nglic.com)
Contributor URL: http://www.cinet.net/~mhundt/mystuff.html
Details: 2.01 KB * Uploaded May 23 2000
Description: A simple calculator to determine the area of a square, triangle, rectangle, circle or sphere.

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Title: Armor Penetration Calculator
Details: 5.69 KB * Uploaded July 7 1997
Description: JavaScript can help you figure armor penetration.

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Title: Atmosphere Calculator
Details: 10.8 KB * Uploaded July 7 1997
Description: JavaScript can help you do atmospheric computations.

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Title: BAC Calculator
Contributor: James P. Dildine (jpd@wlsmail.com)
Contributor URL: http://www.mste.uiuc.edu/dildine
Details: 2.67 KB * Uploaded December 14 1999
Description: Calculates an individual's blood alcohol content based on the quantity of beverages consumed, the alcohol percentage in each drink, the person's weight, and the time spent consuming the drink.

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Title: Basic Calculator
Details: 1.89 KB * Uploaded June 21 1997
Description: This is a very simple calculator, all done with javascript. Just click the numbers and the operators and use the "=" button to calculate! This is a neat example of the LIMITLESS powers of JavaScript.

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Title: Beat Counter
Contributor: Derek Chilcote-Bacco (dac-b@usa.net)
Contributor URL: http://www.mixed.net
Details: 3.00 KB * Uploaded March 3 2000
Description: A manual Beats per Minute (BPM) counter for DJs. Counts the beats-per-minute of a song by tapping a key or the mouse to the beat of a song. Simply click on the page to start the time then tap any key to the beat. Cool!

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Title: Binary Converter
Contributor: Cyanide_7 (leo7278@hotmail.com)
Details: 1.10 KB * Uploaded June 23 1999
Description: Computers read and store the decimal numbers we see everyday (1, 5, 10, 100, etc.) as binary numbers, a number of just 1's and 0's. All that you do is enter the decimal number and the script will output the binary equivalent! It is a binary converter!

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Title: Body Calculator
Details: 6.35 KB * Uploaded July 7 1997
Description: I like this script because it uses some very ingenious JavaScripting techniques. into the process, it analyzses a persons information (sex, height, weight) and responds with a comment message.

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Title: Body Mass Index
Contributor: Marat Rikelman (rikelman@bellsouth.net)
Details: 2.56 KB * Uploaded June 16 1999
Description: Just enter your height and your weight, and JavaScript can use a formula created by the Panel on Energy, Obesity, and Body Weight Standards to figure out your Body Mass Index. This index classifies you into one of several categories, from underweight to desirable to obese.

[ Get Source Code ]

Title: Bubble Sort
Contributor: David Sturgeon (Sturgeon.Auto@gsln02e.et.gs.com)
Contributor URL: http://www.doc.ic.ac.uk/~dms99
Details: 1.92 KB * Uploaded July 6 2000
Description: Sorts using the bubbleSort method. Simply enter a list of numbers into the text box and click sort.

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Title: Calorie Calculator
Details: 2.40 KB * Uploaded July 7 1997
Description: JavaScript can help you figure how many calories you have burned.

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Title: Circle Solver
Contributor: Chris Brown
Contributor URL: http://www.geocities.com/BourbonStreet/3843
Details: 2.12 KB * Uploaded May 21 1999
Description: Can't remember the formulas for the other two parts of a circle (area, diameter, or circumference) when you only know one? To the rescue is Circle Solver. Enter the circle area, diameter, or circumference and it will solve for the other two! Great!

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Title: Circumference Calculator
Contributor: Andrew Jones (andrew.jones@net.ntl.com)
Contributor URL: http://www.freespeech.org/andyjones
Details: 1.01 KB * Uploaded December 4 1998
Description: JavaScript can help you figure the circumference of a circle when you enter the radius.

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Title: Compound Interest
Contributor: Paul Hartmann (guycroft@clara.co.uk)
Contributor URL: http://www.guycroft.clara.net
Details: 2.02 KB * Uploaded February 12 2001
Description: Use JavaScript to calculate compund interest. Warns about doubtful data.

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Title: Cosine Calculator
Contributor: TJay Tipps (iam4pacers@webtv.net)
Details: 1.19 KB * Uploaded March 10 1999
Description: Enter the adjacent and hypotenuse angle values and JavaScript will solve the cosine angle for you. Neat!

[ Get Source Code ]

Title: Date Difference
Contributor: Ronnie T. Moore, Editor
Contributor URL: JavaScript Source Code 2002
Details: 5.13 KB * Uploaded March 20 2000
Description: Enter two dates (including the time!) and this script will display the number of weeks, days, hours, minutes, and seconds between the two. The seconds field is optional, too. For an example, try entering your birthdate and compare it to today's date.

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Title: Day of Week
Contributor: Peter Bonnett (PeterBonnett@hotmail.com)
Contributor URL: http://uk.geocities.com/peterbonnett
Details: 6.84 KB * Uploaded March 5 2001
Description: Calculate what day of the week a given date was. It works for leap yYears and also tells you whether the date is in the past future or today.

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Title: Distance Speed Time
Contributor: Gary Nicholson (nicholsongary@hotmail.com)
Contributor URL: http://homepages.ihug.co.nz/~gazzanic/
Details: 8.56 KB * Uploaded November 2 2000
Description: Calculate the time, distance, or speed given any two of the pieces of information. Convenient!

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Title: Download Calculator
Details: 4.30 KB * Uploaded April 16 1998
Description: This calculator will help you estimate how long it will take to download a file at any of a number of modem speeds. Try it out!

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Title: Graphing Function
Contributor: Abraham I. (abraham_824@hotmail.com)
Details: 2.60 KB * Uploaded November 22 2000
Description: Enter the X-Y coordinates for a function and this script will give you the graphing formulas, including Formula, Slope, Y-intercept, Parallel and Perpendicular lines. Easy!

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Title: Driving Distance Calculator
Details: 9.43 KB * Uploaded July 7 1997
Description: Use JavaScript to estimate the driving distance between U.S. cities.

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Title: Expression Solver
Details: 1.09 KB * Uploaded February 18 1999
Description: Just enter a math expression (with +, -, *, and / signs) and this script will evaluate the expression for you. Who needs a calculator when you have JavaScript. ;-)

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Title: Field Depth Calculator
Contributor: alistair@silverlight.co.uk (alistair@silverlight.co.uk)
Contributor URL: http://www.silverlight.co.uk
Details: 4.00 KB * Uploaded August 15 2000
Description: For all you photography enthusiasts out there, this script makes it a breeze to determine the field depth and amount that will be in focus in a photograph. Includes other measurements such as nearest and furthest points of focus, too.

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Title: Function Grapher
Contributor: Stephane Gamondes (gamondes@hotmail.com)
Contributor URL: http://www.multimania.com/gamondes
Details: 4.67 KB * Uploaded October 13 1999
Description: Graphs any function you enter on the scale of your choice, assuming you use the correct JavaScript syntax. For example, to use Cos x, use Math.cos(x). Or, for x^2, use Math.pow(x, 2), etc.

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Title: GPA Calculator
Details: 4.19 KB * Uploaded June 21 1997
Description: This is a very useful script to figure out your class GPA. Just enter the letter grade for each class.

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Title: Group Work
Contributor: mistermidget@hotmail.com (mistermidget@hotmail.com)
Details: 1.15 KB * Uploaded May 26 1999
Description: Ever had to work with another person to complete a task? This calculator will tell you how long it would take two people to complete the task if you know how long it would take each person to complete the task individually. Neat!

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Title: Horsepower Calculator
Contributor: Joel Lavarez
Contributor URL: http://www.speed-online.com
Details: 3.85 KB * Uploaded December 4 1998
Description: Enter your vehicle's quarter mile time (assuming you know it) and vehicle weight and this JavaScript program will display your car's estimated horsepower.

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Title: Human To Dog Years
Details: 0.94 KB * Uploaded July 7 1997
Description: This is a practically useless script. Convert your age to dog years. (Your age / 7) But, it's helpful for people beginning JavaScript to look at.

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Title: Income Calculator
Contributor: Ashley Steele (ashleys@inetport.com)
Details: 6.53 KB * Uploaded May 30 2000
Description: Estimates your weekly, bi-weekly, monthly, and yearly income. Very useful when job hunting when offered an income per hour, month, or year. The tax bracket numbers are adjustable with each year's income tax levels.

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Title: Interest Calculator
Details: 3.93 KB * Uploaded June 21 1997
Description: Use JavaScript to find out just how much that new house or car is going to cost you each month. Enter values into the fields below to find out how much each monthly payment would be with the given number of payments, interest rate, and loan amount.

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Title: Kinetic Energy
Contributor: David K (davidwkjr@hotmail.com)
Details: 1.92 KB * Uploaded November 20 2000
Description: Solve any of three variables in a Kinetic Energy equation using this script. Simply enter two of the three values and submit to find the value of the third variable. Neat!

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Title: Landscape Grapher
Contributor: Mark Washburn (mawcowboyusa@netscape.net)
Contributor URL: http://sites.netscape.net/mawcowboyusa/
Details: 4.07 KB * Uploaded October 27 1999
Description: JavaScript 3D terrain grapher which creates virtual landscapes using three-dimensional fractal geometry, random numbers, and a simple mathematical formula. "s" indicates under sea-level. Just hit reload to get a new landscape.

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Title: Lap Time
Contributor: Geoff Greer (gig0wiz@hotmail.com)
Details: 1.48 KB * Uploaded May 17 2000
Description: Calculates the average lap split time required to finish a race in the time you enter. Cool!

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Title: Leap Year Calculator
Contributor: Anthony Louie
Details: 3.68 KB * Uploaded February 29 2000
Description: Is it a leap year? What about in 1900? Get your leap year facts straight with this leap year calculator. Just enter the year you are interested in and the script reports whether it is a leap year or not. Or, enter a range of years and JavaScript will display all the leap years in that range. Awesome!

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Title: LCM and GCD
Contributor: John T. Caranta III (caranta@netzero.net)
Details: 1.72 KB * Uploaded December 28 2000
Description: Calculate the Least Common Multiple and Greatest Common Divisor of two numbers using this short script. Neat!

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Title: Male Body Calculator
Contributor: Seth Baker (sethgbaker@yahoo.com)
Contributor URL: http://www.geocities.com/sethgbaker
Details: 1.84 KB * Uploaded May 12 2000
Description: Calculates a man's ideal body measurements based on his wrist circumference.

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Title: Miles per Gallon
Details: 1.86 KB * Uploaded September 22 1999
Description: Computes the miles per gallon of your car via the miles traveled and the number of gallons used. Also, if you enter the cost per gallon and how many miles you drive a day, it will estimate your monthly and yearly gas expenses.

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Title: Money Counter
Details: 3.12 KB * Uploaded October 19 1999
Description: Enter the number of bills and coins and this script will calculate the total amount of money you have. All blank entries are ignored. Input field validation is also included -- try entering a non-digit into a field. Also, this script is a good demonstration of a JavaScript return function in use. Neat!

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Title: Multiply X By X Calculator
Details: 0.98 KB * Uploaded June 21 1997
Description: This is a very simple, very limited calculator that only does multiplication. This script is perfect if multiplication is all you are looking for.

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Title: Parabola Grapher
Contributor: Andreas Verhoeven (ave2233@yahoo.com)
Details: 3.10 KB * Uploaded April 6 2000
Description: Enter a parabolic equation, like 5x^2 + 18x + 27 and this calculator will determine all the vital information about the graph. And, a rough graph of the curve is available. I wish I know about JavaScript back in high school....

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Title: Paycheck Calculator
Contributor: Dan Scott (dscott@wirepower.com)
Contributor URL: http://www.wirepower.com
Details: 2.32 KB * Uploaded January 20 2000
Description: Entering your pay rate and the number of hours you worked and optionally any overtime hours and pay rate, your own tax rate, and other deductions. Find out where your money comes from and where it's going.

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Title: Percent Calculator
Contributor: Tom Richardson Jr. (gooftroop@geocities.com)
Details: 1.57 KB * Uploaded February 26 1999
Description: Don't waste another minute dealing with percent problems. This script will solve both of these for you, just enter the values! What a time-saver!

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Title: Percent of Increase
Contributor: Joey Mornin (jmornin@gateway.net)
Details: 1.17 KB * Uploaded February 4 2000
Description: Enter two numbers and JavaScript will help you determine the percent of increase. This is a perfectly simple example of using a JavaScript return function. Check it out!

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Title: Periodic Table
Contributor:Matthew Hoesch (mdih@msn.com)
Details: 15.90 KB * Uploaded August 18 1998
Description: Besides a very organized Periodic Table, this script will tell you lots of information about any periodic element you click on. Very neat!

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Title: Phone Bill
Details: 2.04 KB * Uploaded July 3 1998
Description: Does it ever bother you how much a long-distance phone call is going to cost, after you hung up? With this script, all you have to do is enter the amount per minute, and any initial amount, then click start when the call begins and see the total charge at any time! Save time, money, and learn JavaScript all with this script! :-)

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Title: Phone Number Converter
Contributor: Kevin Steffler (ksteff@ionsys.com)
Contributor URL: http://web.ionsys.com/~ksteff
Details: 5.25 KB * Uploaded December 28 1998
Description: Have you ever wondered if your phone number has a memorable text equivalent, like 555-HELP? Just type it in and this script will generate all possible combinations, just pick your favorite one and tell the world how to reach you.

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Title: Playoff Chart Maker
Contributor: Tom McComb (mrtuba@tampabay.rr.com)
Contributor URL: http://home.tampabay.rr.com/mrtuba
Details: 5.23 KB * Uploaded January 26 2000
Description: Enter the number of teams in your tournament and JavaScript will output the appropriate single-elimination playoff chart. Just print it out and fill it in to track your tournament. Great!

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Title: Pregnancy Calculator
Contributor: Ronnie T. Moore, Editor
Details: 5.17 KB * Uploaded March 13 2000
Description: Enter the mother's pregnancy information into this calculator and JavaScript will provide an estimated conception date, birth due date, and an estimated current fetal age. Great for all those mothers-to-be!

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Title: Prime Number Calculator
Details: 0.88 KB * Uploaded December 4 1998
Description: Enter a number and JavaScript can instantly tell you if it is a prime number or not. I wish I had this little gem to help me in my math classes!

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Title: Pythagorean Theorem
Details: 0.99 KB * Uploaded May 14 1999
Description: One of geometry's most useful formulas, the Pythagorean Theorem, can be applied to the numbers you enter in JavaScript! Just enter 'A' and 'B' and the script solves for 'C.' Neat!

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Title: Quadratic Equation
Contributor:Songzi Du (xdu1@iupui.edu)
Contributor URL: http://members.tripod.com/~Songzidu/mainpageindex.html
Details: 2.01 KB * Uploaded November 1 1998
Description: Why didn't I have one of these during high school math? Just enter the coefficients for the quadratic 'Ax^2 + Bx + C = 0' equation and JavaScript will output the solutions (if they are not imaginary!). Neat!

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Title: Quadratic Solver
Contributor: John Caranta (caranta@netzero.net)
Details: 2.77 KB * Uploaded November 24 2000
Description: Solves quadratic equations for inputted coefficients. Answers can be either real or complex. Awesome!

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Title: Radioactive Calculator
Details: 1.37 KB * Uploaded July 7 1997
Description: Use JavaScript to find how much radioactive material remains after a given time.

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Title: Random Distribution
Contributor: Phil Pavlik (ppavlik@nmu.edu)
Contributor URL: http://chemistry.nmu.edu/ppavlik/
Details: 3.13 KB * Uploaded December 15 2000
Description: Generate normally distributed random numbers by entering a mean value and standard deviation. Uses the normal law of error to determine an events given probability. Neat!

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Title: RGB Slider
Contributor: Andrew Houser (houser@houserdesign.com)
Contributor URL: http://www.houserdesign.com
Details: 10.47 KB * Uploaded April 4 2000
Description: Simple RGB to HEX color converter utilizing DHTML sliders. Amazing!

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Title: Room Size Calculator
Details: 3.27 KB * Uploaded July 7 1997
Description: Use JavaScript to find the approximate room size you'll need depending on your room setup and arrangement.

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Title: Round
Details: 0.94 KB * Uploaded May 11 1999
Description: A simple function to round a decimal number to any number of decimal places you want just by passing it different values. Neat! Very short code, too!

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Title: Running Calculator
Contributor: Keith Jenci
Contributor URL: http://www.geocities.com/ResearchTriangle/Campus/3835
Details: 4.47 KB * Uploaded December 20 1999
Description: Allows runners to calculate their time, distance covered, or pace by entering the other two values. Distance and pace can be converted between various measurements. A great 3-in-1 script for runners!

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Title: Savings Estimator
Contributor: Michael C. Hundt (mchundt@nglic.com)
Contributor URL: http://www.cinet.net/~mhundt/mystuff.html
Details: 2.32 KB * Uploaded September 24 1999
Description: Enter how much you can afford to save each month, how long you can save this amount, and the interest rate you can get on your savings and this script will display your total savings.

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Title: Scientific Calculator
Details: 4.63 KB * Uploaded July 7 1997
Description: This is a very cool JavaScript calculator that does many advanced functions - cosine, sine, tangent, square root, exponents, etc. Very Cool!

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Title: Sine Calculator
Contributor: TJay Tipps (iam4pacers@webtv.net)
Details: 1.20 KB * Uploaded March 10 1999
Description: Enter the opposite and hypotenuse angle values and JavaScript will solve the sine angle for you. Neat!

[ Get Source Code ]

Title: Square Root Calculator
Contributor: Adam Hinz (ajhinz@zworg.com)
Contributor URL: http://members.dencity.com/ajhinz
Details: 1.36 KB * Uploaded June 13 2000
Description: Allows you to find the value of a number squared or that number's square root. Easy!

[ Get Source Code ]

Title: Stock Calculator
Details: 4.59 KB * Uploaded November 1 1999
Description: Deciding when to buying and sell stocks is difficult enough - figuring the profit or loss from that trade shouldn't have to be. Just enter the number of shares, your purchase price, your selling price, and the commission fees for the trade and this script instantly figures your resulting profit or loss after commission fees.

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Title: Straight Distance
Contributor: Jay Kimmel (jaykimmel@bigplanet.com)
Contributor URL: http://www.jkimmel.com
Details: 1.80 KB * Uploaded July 7 2000
Description: Enter a coordinate pair for each the starting and ending points according to the Cartesian coodinate system. The script will calculate the straight line distance between the two points.

[ Get Source Code ]

Title: Tangent Calculator
Contributor: TJay Tipps (iam4pacers@webtv.net)
Details: 1.21 KB * Uploaded March 10 1999
Description: Enter the opposite and adjacent angle values and JavaScript will solve the tangent angle for you. Neat!

[ Get Source Code ]

Title: Tax Calculator
Details: 2.55 KB * Uploaded June 21 1997
Description: JavaScript helps your to calculate the before and after tax prices for purchases. Very easy to use. Just put into the price, the tax, and hit compute! It's all figured for you!

[ Get Source Code ]

Title: Top Speed by RPM
Contributor: Shai Peer (killerpoop@telocity.com)
Contributor URL: http://shaipic.8m.com/
Details: 1.66 KB * Uploaded January 16 2001
Description: Enter the diameter of the tire and the RPM value of the motor and the script will tell you the top speed without any weight on the Tires. Neat!

[ Get Source Code ]

Title: Wavelength Calculator
Contributor: Jon Bronisz (webmaster@frequencyzone.com)
Contributor URL: http://www.frequencyzone.com
Details: 1.41 KB * Uploaded August 21 2000
Description: Assists ham radio operators in converting a frequency to its wavelength in feet or inches. Other uses include acoustic measurement and adjustment, microphone placement, room tuning, and speaker positioning.

[ Get Source Code ]

Title: Wind Chill Calculator
Contributor: James P. Dildine (jpd@wlsmail.com)
Contributor URL: http://www.mste.uiuc.edu/dildine
Details: 1.46 KB * Uploaded June 22 1999
Description: Wind Chill is a mysterious and often misunderstood phenomenon. This script describes what the wind chill factor really is and offers a form to calculate the wind chill factor when given the air temperature and wind speed.

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Title: Windows Calculator
Contributor: Steve Dulaney
Contributor URL: http://www.hmhd.com/steve
Details: 7.19 KB * Uploaded December 1 1999
Description: Always been fond of the calculator within Microsoft Windows? This JavaScript mimics the Windows calculator in appearance and function. Everyone, including Macintosh computer users, can now their own Windows Calculator!

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Title: World Population
Details: 1.71 KB * Uploaded July 24 2000
Description: Estimates the current world population based on US census data and the world growth rate. Not exactly precise, but neat anyways.

[ Get Source Code ]