Calculator Tools

Scientific Calculator

A full-featured scientific calculator that runs entirely in your browser. Supports basic arithmetic, trigonometry (sin, cos, tan), logarithms, powers, roots, factorial, constants (π, e), and full keyboard input.

Step-by-step results shown No sign-up required Browser-only — no upload
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History

Features

  • Basic arithmetic: +, −, ×, ÷, modulo
  • Trigonometry: sin, cos, tan, and inverses (asin, acos, atan)
  • Degree and radian toggle
  • Logarithms: log₁₀ and ln (natural log)
  • Power and root: xⁿ, √x, ∛x
  • Constants: π (pi) and e (Euler's number)
  • Factorial: n!
  • Parentheses for complex expressions
  • Full keyboard support
  • Calculation history — last 10 calculations
  • No account, browser-only

How to use it

  1. Click buttons or use your keyboard to enter an expression.
  2. Toggle DEG/RAD for trigonometric functions.
  3. Press Enter or = to evaluate.
  4. Use the history panel to recall previous calculations.

Use cases

  • Science and engineering calculations
  • Maths homework and studying
  • Financial and statistical calculations
  • Quick calculations without installing software

Limitations

  • Browser processing depends on available device memory for very large inputs.
  • Tool-specific limits based on file format or browser support are noted on each tool page.
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Questions & answers

Frequently asked

Does it support keyboard input?

Yes. Type numbers and operators directly from your keyboard. Use the Enter key for equals and Backspace to delete.

What is the order of operations?

BODMAS/PEMDAS — brackets first, then powers, multiplication/division (left to right), then addition/subtraction (left to right).