BN Calculator is a full featured calculator that both looks good and works great. It has 20 buttons and can be placed anywhere in your web page. Feel free to modify the script as you feel fit.
Developer: adam Platform: Date upd:2005-04-21 Hits2109 [Visit]

Temperature Converter is a very handy script that instantly coverts between the major temperature units Fahrenheit, Celsius, and Kelvin.
Developer: wsabstract.com Platform: Date upd:2000-10-03 Hits3220 [Visit]

Type in the number of drinks, the amount of time, and your weight in pounds, and this calculator will estimate the resulting BAC. While there are other BAC Calculators out there, this is unique in that it comes from AODWiki.org, the only open source
Developer: AODWiki Platform: Date upd:2006-02-23 Hits724 [Visit]

This script makes it easy to calculate how fast something goes "miles per hour", by allowing you to enter its speed using the more manageable "meters per second."
Developer: wsabstract.com Platform: Date upd:2001-11-25 Hits1181 [Visit]

AlpMcalc is a 'NO number' calculator. It uses A-J alpha matrixes to compute my own coded math methods and it does it without using numbers or any Math functions built into JavaScript. The only numbers used are for indexing and comparison. The matrix components
Developer: Jim Atkins Platform: windows Date upd:2006-10-31 Hits1055 [Download] [Visit]