Math calculators

Everyday arithmetic, algebra, and geometry — worked out clearly.

Percentages, fractions, ratios, geometry, and the little calculations that come up all the time — with formulas you can reuse anywhere.

Calculators

244

Math / Percentage

Applies the law of cosines c² = a² + b² − 2ab·cos C to find an unknown side or angle in any triangle. Also computes the...

basic

2,713 4.0 1 min

Math / Percentage

Converts a decimal integer to binary (base 2) and hexadecimal (base 16) by successive division, and shows the number of...

basic

16,208 4.1 1 min

Math / Percentage

Computes the number of significant decimal digits, smallest representable positive number, and largest finite number for...

basic

21,805 4.4 1 min

Math / Percentage

Calculates the load factor λ = n/m (items/buckets), the approximate collision probability per insertion (birthday proble...

basic

16,767 3.8 1 min

Showing 241 to 244 of 244 results

About this category

Percentages, fractions, ratios, geometry, and the little calculations that come up all the time — with formulas you can reuse anywhere.

Missing a calculator in Math? We'd love to hear what to build next.