Scientific Calculator
Full-featured scientific calculator. sin, cos, tan, log, ln, sqrt, and more.
Report a Problem
Found a bug or have a suggestion? Help us improve this tool.
What is this tool?
Scientific calculator provides advanced mathematical functions beyond basic arithmetic. It supports trigonometry (sin, cos, tan), logarithms (log, ln), exponentiation, square roots, factorials, and more. Essential for students, engineers, scientists, and anyone needing precise mathematical computations.
How to use
- 1
Enter expression
Type your mathematical expression using buttons or keyboard.
- 2
Use functions
Click function buttons for sin, cos, log, sqrt, etc.
- 3
Get result
Press = to compute and display the result.
Frequently Asked Questions
What is the difference between log and ln?
log is the base-10 logarithm (log₁₀), while ln is the natural logarithm (logₑ, base e ≈ 2.718). log(100) = 2 because 10² = 100. ln(100) ≈ 4.605 because e^4.605 ≈ 100.
What does radians and degrees mean for trig functions?
Trigonometric functions can take angles in degrees (0-360°) or radians (0-2π). 180° = π radians. Most programming languages and calculators use radians by default. Make sure to set the correct mode before computing.
What is the difference between sin and asin?
sin takes an angle and returns the ratio of the opposite side to the hypotenuse. asin (arcsin) does the reverse: it takes a ratio and returns the angle. For example, sin(30°) = 0.5, and asin(0.5) = 30°. The domain of asin is -1 to 1, and its range is -90° to 90°.