This is a very useful script to figure out your class GPA. Just enter the letter grade for each class.

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.

This is a very cool JavaScript calculator that does many advanced functions - cosine, sine, tangent, square root, exponents, etc. Very Cool!

This is a calculator with handy basic functions for use on your site. This calculator has better controls to avoid unwanted reactions to unusual button pressing.

This is a very comprehensive JavaScript calculator. Although the source code can get quite confusing, it works.

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.

This is a very limited and very simple calculator - that only does multiplication. This is a neat example to help you 'analyze' the JavaScript and hopefully begin to learn it.

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.

Tigra Calculator is a free JavaScript widget that allows your visitors to make different calculations right on your site.

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.

Use JavaScript to find how much radioactive material remains after a given time.

This script adds a fixed percentage to an order total in a form. The percentage added is dependent on the option chosen from a menu. It was written to add sales tax (VAT) to an online ordering system but could be used to add shipping or any other fixed percentage amount. IE, NS6+

This tutorial shows you that JavaScript can help you do atmospheric computations.

This salary calculator breaks down the amount of money you will receive per year, month, week, and hour for a given hourly amount or yearly amount. This should be useful for job hunters. Works in MSIE and Opera 5.0