Scientific Calculator
Free online scientific calculator with trigonometry, logarithms, powers, roots, factorials, memory and history — works with your keyboard too.
M
Keyboard: type numbers and + − * / ^ ( ) ! %, Enter = equals, Backspace = delete, Esc = clear.
Every Calculator You Need, Free & Instant
Calculatorza brings percentage, GST, profit & loss, age, scientific and currency calculators together in one fast, simple website — with accurate answers and the working shown for every result.
Explore All Calculators- Instant real-time results
- Step-by-step working shown
- 100% free · no sign-up
- Works on mobile & desktop