Nolan Piper

Featuring one-touch percent keys, Sell-Cost-Profit-Margin (enter any 2), Percent Change and more, this basic business calculator facilitates quick cal …

With one-touch selection of popular US - metric units and a convenient keypad, Get Metric Basics makes common conversions quick and clear. If it is no …

Master fractions and decimal equivalents, or use Fractionator to make them more fun and familiar. This animated and easy-to-use app makes fractions cl …

Enjoy classic RPN (Reverse Polish Notation)* with this easy-to-use programmable scientific calculator. With an animated stack, 10 memories that show w …

Learn classic RPN (Reverse Polish Notation)* with this animated and easy-to-use 4-function calculator. See the numbers in action and master this alter …

Polar Sweep reinforces relationships between rectangular coordinates, polar coordinates, and basic trigonometry with a dynamic educational interface. …

Featuring one-touch percent keys, Sell-Cost-Profit-Margin (enter any 2), Percent Change and more, this basic business calculator facilitates quick cal …

This easy-to-use application compares ratios and solves for proportional unknowns. For example, is $25 for a package of three light bulbs a better val …

Handle common US - Metric conversions with speed and convenience. Features a 100+ line review screen -- rapidly enter several conversions and then vie …

This educational calculator presents basic math functions clearly and creatively. It includes two modes: 1) a simple calculator and 2) a game that all …