Free Online Scientific Calculator
A complete scientific calculator that runs in your browser. Supports basic arithmetic (+, −, ×, ÷), trigonometric functions (sin, cos, tan and inverses), logarithms (log, ln), exponents and roots (x², x³, √, ∛), constants (π, e), factorials (n!), and memory functions (M+, M−, MR, MC). Full keyboard support for fast input. Works offline once loaded — no internet needed for calculations.
Frequently Asked Questions
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