Scientific Calculator

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What this scientific calculator does

This scientific calculator lets you perform a wide range of mathematical calculations quickly and reliably, from everyday arithmetic to advanced scientific functions. It is designed to handle trigonometry, logarithms, powers, roots, and exact large-number calculations in a single, consistent workspace.

Calculations run entirely in your browser and update instantly as you enter values. Exact integer results are preserved where possible, and when a calculation requires approximation, the display clearly indicates it so you always know how your result was produced.

What you can calculate

  • Basic arithmetic with grouped expressions (addition, subtraction, multiplication, division, and parentheses)
  • Trigonometric functions and inverse functions (sin, cos, tan, sin⁻¹, cos⁻¹, tan⁻¹) with degree and radian modes
  • Exponents, powers, and roots (x², x³, xʸ, √x, ³√x, y√x)
  • Logarithmic calculations (ln and log)
  • Mathematical constants and numeric helpers (π, e, reciprocal 1/x, and percentages)
  • Large integer powers and factorials, with exact results where possible
  • Scientific notation and exponential entry using EXP
  • Accurate results for both everyday calculations and very large numbers, with clear indication when results are approximate

Accuracy and precision

Exact integer results are used when possible, including very large integers. When a calculation requires approximation, the display clearly indicates it and continues with a precise numeric result.

How to use it

Enter values with the on‑screen keypad or your keyboard. Results update instantly. Use the Deg/Rad toggle for angle mode, and copy results when you need them.

Related calculators

Looking for something more specific? Use related calculators for percentage, powers, factorials, logarithms, and standard arithmetic workflows.