Math calculators

Percentages, ratios and basic geometry — the calculation building blocks the rest use.

Spain

Calculate your Spain university access grade (NAU) and admission grade (NAT).

Calculate your Policía Nacional exam score with the official formula.

Calculate the area of a square, rectangle, triangle, circle, and more.

Symbolic derivative of a function, with optional evaluation at a point.

Add, subtract, multiply or divide two fractions, already simplified.

Calculate your weighted average, or the grade you need on the final.

Calculate the greatest common divisor (GCD) of several numbers.

Calculate the least common multiple (LCM) of several numbers.

Matrix addition, multiplication, transpose, determinant and inverse.

What X% of an amount is.

What the new value is after a percentage increase.

Break a number down into its prime factors.

Solve ax² + bx + c = 0 and get its real or complex solutions.

Simplify a ratio, or split a total proportionally between two parts.

If A corresponds to B, what does C correspond to?

Powers, roots, trigonometry and logarithms, calculated in your browser.

Calculate the slope of the line through two points.

Square meters of a rectangular surface.

Calculate the volume of a cube, prism, cylinder, sphere, or cone.