Mathematics Calculators (Page 6)

Percentages, equations, geometry, algebra and more math tools.

Generate random integers in a range, optionally several at once.

Convert a number to/from scientific notation with a chosen significant count.

Compute P(A or B), P(neither) for independent events A and B.

Convert an integer between binary, octal, decimal and hexadecimal.

Add, subtract, multiply or divide two fractions, with simplification and decimal value.

Find a missing term of a ratio a:b = c:?, scale a value, or split a total.

Add, subtract, multiply or divide decimal numbers with chosen precision.

Solve a proportion x₁:y₁ = x₂:y₂, or scale by a constant k.

Convert between Arabic numbers and Roman numerals (and back).

Convert a number to its ordinal form (1st, 2nd, 3rd...) in a language.

Convert a number to a written numeral in a chosen language/style.

Scale a set of values by a factor, or convert between map scales.