Math calculators
Basic Arithmetic Calculators
6 tools
Add, subtract, multiply, divide, fractions, and scientific notation. Tools may appear in more than one topic.
Popular in Basic Arithmetic
Featured tools from the Family registry.
- Sum Calculator Add decimal lists exactly, find totals and means, or check long addition with carry steps. Supports negatives, scientific notation, and shareable results.
- Fractions Calculator Add, subtract, multiply and divide fractions or mixed numbers. Simplify, convert decimals, follow exact steps, and share or export complete versioned results.
- Scientific Notation Calculator Convert decimal, scientific, E and engineering notation; normalize coefficients and calculate with powers of ten. See steps, limits and shareable results.
All Basic Arithmetic
Every live calculator in this family. URLs stay /calc/math/…
- Division Calculator Divide numbers with quotient, remainder, and decimal results for quick arithmetic checks. Runs locally in your browser. Free online tool — no sign-up.
- Fractions Calculator Add, subtract, multiply and divide fractions or mixed numbers. Simplify, convert decimals, follow exact steps, and share or export complete versioned results.
- Multiplication Calculator Multiply two numbers instantly, or see long multiplication with partial products, carrying, decimals, and sign rules. Runs locally in your browser.
- Scientific Notation Calculator Convert decimal, scientific, E and engineering notation; normalize coefficients and calculate with powers of ten. See steps, limits and shareable results.
- Subtraction Calculator Solve a missing subtraction term or see exact decimal long subtraction with borrowing. Compare modes, check input limits, and share or export complete results.
- Sum Calculator Add decimal lists exactly, find totals and means, or check long addition with carry steps. Supports negatives, scientific notation, and shareable results.