Calculators

Scientific Calculator

Standard and scientific calculator with variables, history and DEG/RAD modes.

Plot up to 4 functions with zoom, pan and a live value crosshair.

What is P% of V, N as a percent of V, and value increased or decreased by a percent.

Percentage change between two values, with absolute change and multiplier.

Simplify fractions, convert to decimal and percent, and decimals back to exact fractions.

Mean, median, mode, sum, count, min, max, variance and standard deviation.

Simplify ratios, convert to decimal and percent, and solve A:B = C:x.

Solve a : b = c : x for the missing value.

Compute simple interest I = P × r × t with total amount and per-period interest.