Arithmetic Calculators
Every arithmetic calculator on Monkza, grouped by what it does. Each one shows the full working rather than only the answer, so you can follow the method and check your own steps — and each is free, with no sign-up and no limit on how often you use it.
Arithmetic is one subject among several here. Equations, polynomials and matrices live on the algebra calculators page, and every subject on the site is listed under all calculators.
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Percentage Calculators
Four tools that look alike and are not. Each divides by something different, and choosing correctly comes down to asking what the answer is meant to be a percentage of.
Numbers & Notation
Writing a number the way a lab report, an exam paper or a science textbook expects — and keeping only the digits your measurements have actually earned.
General Calculators
The two everyday ones, for when the question is plain arithmetic rather than a named formula.
That is the whole arithmetic collection. For equations, polynomials, matrices and the rest, start from the algebra calculators page — or see every subject on the site under all calculators.