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Calculators

Math Calculators with Steps — Free, No Signup

Step-by-step online calculators for algebra, geometry, calculus, and linear algebra. Type your problem, see every step. Middle school to first-year university.

1 live 23 planned 6 subject areas

Why use a math calculator that shows working?

A good calculator returns not just the answer but every transformation with a short note. You verify homework, prepare for tests, and learn the method — not just the result. Use it alongside the matching tutorial: read the theory first, then run your own problems through the calculator.

Grade 5–6 · School

Foundations

Fractions, decimals, percentages and term manipulation — the base everything else builds on.

  • Simplifying fractionsSoon
  • Converting decimalsSoon
  • Percentage calculationsSoon
  • Simplifying expressionsSoon
Grade 7–10 · School

Algebra

From linear to quadratic to higher-order equations — the language of patterns and unknowns.

Grade 5–10 · School

Geometry

Area, angles, the Pythagorean theorem, and intercept theorems — how shapes become measurable.

  • Calculating areaSoon
  • Pythagorean theoremSoon
  • Intercept theoremSoon
  • Types of anglesSoon
Grade 8–11 · School

Statistics & probability

Probability, averages, and reading data — math that turns up in everyday life.

  • Mean, median, modeSoon
  • Probability basicsSoon
  • Tree diagramsSoon
Grade 11–13 · Upper school

Calculus

Derivatives, integrals, and curve sketching — the mathematics of continuous change.

  • Differentiation rulesSoon
  • Curve sketchingSoon
  • Integration basicsSoon
  • Optimization problemsSoon
University · First year

Linear algebra

Vectors, matrices, and systems of equations — the mathematical foundation of data analysis, computer graphics, and machine learning.

  • Vector arithmeticSoon
  • Matrix multiplicationSoon
  • Gaussian eliminationSoon
  • DeterminantsSoon

What every calculator gives you

  • Full working

    Every transformation is shown — no black box, no skipped steps.

  • Verification included

    The calculator substitutes the solution back into the original problem to confirm it is correct.

  • Plain-language notes

    Each step gets a half-sentence note naming the transformation — equivalent transform, distributive law, and so on.

  • Ready when you are

    No signup, no account, no limit. Type a problem and see the working.

Three steps to a solution

  1. 1

    Type the problem

    Enter your problem in the format the calculator shows — for example, "3x + 7 = 22" or "A = π · r²".

  2. 2

    Read the working

    The calculator shows every step with a short note. Read slowly — the method matters more than the answer.

  3. 3

    Verify and practice

    Use the built-in verification, then lock the method in with the matching practice set.

Frequently asked

Quick reference

Working
The sequence of transformations leading to the solution. More important than the answer — it shows the method.
Verification
Substituting the found solution back into the original problem to check it is correct.
Equivalent transform
A change that does not affect the solution set (e.g. "add 5 to both sides").
Method
The repeatable approach for a problem type — isolate the variable, apply the quadratic formula, and so on.
Ready when you are

Pick a calculator. See the working.

Solving linear equations Browse tutorials