Free browser calculator

Scientific Calculator Online

Use a fast scientific calculator directly in your browser for lecture work, engineering calculations, homework, research checks, and everyday advanced mathematics.

Open Scientific Calculator

What this tool includes

  • Natural expression entry such as 2π, 3(4+5), percentages and powers
  • Trigonometric, inverse and hyperbolic functions in DEG, RAD and GRAD modes
  • Exact fractions, logarithms, roots, factorials, permutations and combinations
  • Complex-number mode, scientific constants, probability distributions and numerical calculus

Common uses

  • Students solving lecture and exam practice problems
  • Engineers checking formulas and unit-based calculations
  • Teachers demonstrating scientific-calculator notation
  • Researchers performing quick numerical verification

Examples you can try

  • sin(30)^2 + cos(30)^2
  • log(2,1024)
  • integral(sin(X),0,pi)
  • sqrt(-1) in Complex mode

Frequently asked questions

Is this scientific calculator free?
Yes. The calculator runs in the browser and the core calculation tools are available without installation.
Does it support complex numbers?
Yes. Complex mode supports i, arithmetic, roots, exponential and logarithmic functions, trigonometric functions, conjugates and arguments.
Can I type a full formula?
Yes. You can enter complete expressions rather than pressing every button individually.

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