Scientific Calculator
Free online scientific calculator with trigonometric, logarithmic, and advanced math functions.
How to Use the Scientific Calculator
- 1 Enter numbers and operations using the calculator buttons or keyboard
- 2 Use scientific functions like sin, cos, log, and exponents
- 3 Toggle between degrees and radians mode for trigonometry
- 4 Use memory functions to store and recall values
- 5 Press equals or Enter to see the result
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Last updated: January 15, 2026 · v2.1