This creative script lets you choose the background color using a color cube. You can also do a reverse search using hexadecimal, RGB, or just the name of the colors.

In this tutorial, we will explore one of the more dry areas of JavaScript, where instant gratification isn't always the case

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

Learn how to create a simple calculator to determine the area of a square, triangle, rectangle, circle or sphere.

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!

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.

Enter the adjacent and hypotenuse angle values and JavaScript will solve the cosine angle for you. Neat!

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.