This JavaScript uses array to store tha values users submit then will alert the largest, smallest number and sum of the numbers.

Change inches to centimeters and back using this short, sweet script. Very easy to use, just type in the number and click.

A fraction calculator code that performs addition, subtraction, multiplication, and division on two fractions. It also reduces the result to the lowest terms.

Using basic theory and this calculator, you can quickly find the answers to your chemistry stoichiometry equations.

This is another script to make the basic calculator code on your web page.

This JavaScript will validate an ABA routing number according to a given algorithm. (Although the number may be valid, it may not be actually assigned to a financial institution.)

It's a calculator that floats on the page. Drag it around and use it the same way you would the normal Windows calculator. Nice looking too.

An interesting script for converting between integers and Roman Numerals, as well as checking the validity of Roman Numerals for common mistakes.

Provides all the basic functions, including finding the square root. A small but powerful script.

JavaScript can sort data based on any field of information. In this example, a checkbook register can be sorted by date, check number, check amount, or paid to person. We're one step closer to online banking.