Scientific Calculator

A simple scientific calculator for everyday math.

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How to Do It Manually

A scientific calculator handles standard arithmetic plus functions like powers, roots, logarithms, and trigonometry. Enter your expression following the order of operations (PEMDAS/BODMAS).

  1. Parentheses: Evaluate expressions inside parentheses first.
  2. Exponents: Calculate powers and roots next.
  3. Multiplication and Division: Left to right.
  4. Addition and Subtraction: Left to right.

Frequently Asked Questions

What does the % key do?

The % key divides the displayed number by 100, converting it to a decimal for use in calculations.

What is the difference between log and ln?

log is the base-10 logarithm. ln is the natural logarithm (base e ≈ 2.71828).