Scientific Calculator
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Tip: Use ANS for last result · x^y for powers · n! for factorial
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A fully-featured browser-based scientific calculator supporting arithmetic, trigonometry (sin, cos, tan, asin, acos, atan), logarithms (log₁₀, ln), square root, cube root, powers (x², xʸ), factorial (n!), absolute value, and mathematical constants (π, e, φ). Toggle between Degree and Radian mode for trig functions. Use ANS to reference the last result in the next calculation. Calculation history keeps the last 20 expressions - click any past result to reuse it. All computation runs in the browser with no server calls.
How to Use
- 1Toggle DEG or RAD mode in the top right before using trig functions
- 2Type numbers with the on-screen buttons or use your keyboard
- 3Use sin/cos/tan for trig and asin/acos/atan for inverse trig - parentheses are auto-inserted
- 4Press x^y then enter the exponent, or x² for squaring
- 5Press = to evaluate - the result appears in the display and is saved to history
- 6Click any history entry to reuse that result; ANS inserts the last answer
Features
- DEG/RAD toggle for trig functions (degrees or radians)
- sin/cos/tan + inverse trig asin/acos/atan
- log (base 10), ln (natural log), sqrt, cbrt (cube root)
- Powers via x² button and x^y for arbitrary exponents
- Factorial n! for integers 0–170
- Constants π, e, φ with 8-decimal reference
- ANS key inserts the last calculated result
- 20-entry calculation history - click any entry to reuse
- 100% browser-based - no data sent anywhere
Frequently Asked Questions
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