Two programs in one. One that can Add, Subtract, Divide and Multiply fractions and another that can convert a decimal to a fraction or a fraction to a decimal. It's a breeze with "Fractions". Quick and easy interface. No confusing menus. Many fraction programs only convert fractions to a decimal. This unique program converts decimals to fractions. Great for school or work. Handy for STOCK quote conversions.

Any Place Calculator
Any Place Calculator allows you to make calculations in any place where it is possible to enter expressions (e.g. text editor, lines of input, etc.). All you have to do to count an expression in any text editor is to type it, and press the hotkey.

BREAKTRU PERCENT CE
Calculate the percentage of any number out of any number. Great little tool to have on hand.

Calculator
Calculator is very simple and easy to use. You can directly enter an expression to calculate, without having to click many buttons to input. It can remember the recent input expressions. And it's free for update forever!

GraphiCal
GraphiCal is a programmable calculator with graphical output which lets you visualize expressions and formulas as graphs in a chart. It has more than 50 built-in mathematical functions, and can integrate and find roots and extrema of functions.

Butterfly
Butterfly 2.0 is a small program that accepts the first day of the last menstruation cycle and returns an overview of oncoming menstruations and ovulations with infertile and fertile periods in both a calendarview and listview.