functions
Scientific Calculator
Advanced calculations made simple.
Trigonometry, logarithms, powers, and roots — all in one calculator.
Trigonometry
Sin, cos, and tan functions built right in.
Logs & Roots
Logarithms, square roots, and power calculations.
Free & Unlimited
No signup, no watermarks, no limits. Use it as many times as you like.
How to use this calculator
- Use the top buttons for scientific functions (sin, cos, log, √)
- Enter numbers from the left keypad
- Use the right-side operators for calculations
- Press "=" to compute the result
This scientific calculator is designed for students, engineers, and professionals to perform advanced mathematical operations including trigonometry, logarithms, and power calculations in a fast, responsive interface.
Frequently Asked Questions
The sin, cos, and tan functions accept input in degrees, converting internally to radians for the calculation.
Yes. The calculator supports full expressions with parentheses, the power operator (^), and standard order of operations.
Yes. 100% free — no account required, no watermarks, no usage limits.