This program will allow you to determine which merchant account is best for you. It takes into account monthly fee, transaction fee, percentage transaction fee. And lists them in an easy to read format. Setup costs are not considered but, over short periods of time this can have a dramatic effect.
EvalExpr was designed to replace basic number inputs with expression inputs where you can use advances features like pows, square root, base convertion, logical operators or even trigonometric and logarithm functions !A sample calculator script is also given in the package, under the GPL.
A rather complex calculator script featuring such operations like adding and dividing fractions. It has all the basic functions of a calculator like adding, subtracting, dividing, and multiplication. It can find values for TAN, COS, SIN, Square Root, Powers, and more.
This script is written for calculation of historically correct string diameters on early baroque violins, violas, cellos or any other instruments tuned in 5th, which use gut and historical wound gut strings.
This script can calculate very accurately the needed DivX 3.x and 5.x Bitrate to encode Avi video with predefined size, for instance 700 MB. It also predicts what will be the resulting quality of the video, so that you can raise/lower the bitrate or the resulting size to achieve the the best quality/size ratio.