Free Scientific Calculator
Full-featured scientific calculator with trigonometric functions, logarithms, memory, and more.
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How It Works
Use this scientific calculator for advanced mathematical operations. Toggle between Degrees and Radians for trigonometric functions. Use memory functions (M+, M−, MR, MC) to store intermediate results.
Features
- Trigonometric functions · sin, cos, tan, asin, acos, atan in degrees or radians
- Advanced math · logarithms (log, ln), factorial, square root, power, constants (π, e)
- Memory functions · M+, M−, MR, MC to store and recall values
Frequently Asked Questions
What's the difference between Degrees and Radians?
Degrees and radians are two ways to measure angles. Most people use degrees (360° = full circle). Radians are used in advanced math (2π = full circle). Select the mode that matches your needs.
How do I use memory functions?
M+ adds the current result to memory, M− subtracts it, MR recalls the memory value, and MC clears memory. Use these to save intermediate calculations.
Is my data saved?
No. All calculations run entirely in your browser. Nothing is stored or sent to any server.