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.

jExacter
A scientific calculator provides calculations within a limit of 1 to 240 significant digits. According to run mode chosen, the calculation may be followed by a report with a list of arguments and all intermediate results in chronological order.

Electrical Calculations
Electrical Calculations software provides calculations and ratings for busbars, cable, power factor correction, motor starting, enclosure ventiation and many metric / imperial conversions and constants.

eJuice Me Up
This e-juice recipe calculator is free. Mix your own blend of e-liquids with Propylene Glycol (PG), Vegetable Glycerin (VG), H2O and Nicotine and find the desired nicotine strength and flavoring percentage. Measure by volume, percentage or drops.

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.

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.