Evaluate expressions with correct operator precedence, parentheses, trigonometric and inverse trig functions in degrees or radians, natural and base-10 logarithms, powers, square roots, factorials, percentages, π, e and the previous answer.
How to use the scientific calculator
- Tap the keys or type an expression such as
sin(30) + 2^3. - Press = or Enter to calculate. The live preview shows the result as you type.
- Click a line in the history to reuse it.
Supported functions
| Type | Meaning |
|---|---|
sin cos tan | Trig functions (DEG or RAD) |
asin acos atan | Inverse trig |
log ln | Base-10 and natural logarithm |
sqrt cbrt abs exp | Roots, absolute value, ex |
^ ! | Power, factorial |
pi e ans | Constants and previous answer |
Implicit multiplication works: 2pi and 3(4+1).
Frequently asked questions
Is it in degrees or radians?
Degrees by default. Tap DEG to switch to RAD.
Is 2^3^2 calculated right to left?
Yes, powers are right-associative: 2^3^2 = 2^9 = 512.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested