Factulator

Factulator combines a practical calculator with an ever-growing collection of interesting number facts. Complete a calculation and Factulator immediately shows a relevant mathematical, scientific, historical, or cultural fact about the result. When a sourced fact is available, you can open its reference to learn more. Generated mathematical facts include clear explanations of concepts such as digit sums, number patterns, fractions, binary, and hexadecimal. Features include: • Standard arithmetic with decimal and fractional results • Adjustable decimal precision • Interesting facts for every calculation, even offline • Sourced cultural, historical, scientific, and mathematical facts • Expandable explanations for generated number properties • Calculation history • Saved facts • Shareable fact cards • Optional thousands separators • iPhone and iPad support Factulator uses contextual banner advertising to support continued development. Your calculations and results are not sent to advertisers.