Calculators: 10

Mathematics

Percentages, proportions and geometry

Find a percentage, a share or a relative change.

Find the missing value in A / B = C / X.

Calculate the area of a rectangle, triangle or circle.

Find the arithmetic mean, minimum and maximum of a list.

Arithmetic expressions with parentheses and decimal numbers.

Add, subtract, multiply, divide and simplify fractions.

Calculate the percentage increase or decrease between two values.

Simplify the ratio of two integers or decimals.

Powers, roots, logarithms and trigonometry in degrees or radians.

Enter values and their weights in separate rows.