Free Scientific Calculator
scientific Calculator Tool Guide
Scientific Calculator Guide
Basic Operations
Use the number buttons (0-9) and decimal point (.) to enter values.
Use +, –, ×, ÷ for basic arithmetic.
Press = to calculate the result.
Advanced Functions
sin, cos, tan: Trigonometric functions (input in radians).
log: Base-10 logarithm.
ln: Natural logarithm (base e).
√: Square root.
x²: Squares the current number.
x^y: Raises a number to a power (e.g., 2^3 = 8).
1/x: Reciprocal of the current number.
%: Converts to percentage (e.g., 50 → 0.5).
|x|: Absolute value.
n!: Factorial (e.g., 5! = 120).
π: Inserts Pi (3.1415…).
e: Inserts Euler’s number (2.718…).
Parentheses & Order of Operations
Use ( and ) to group calculations (e.g.,
(2+3)×4
).
Editing & Clearing
DEL: Delete the last digit.
AC: Clear all inputs and reset the calculator.
Keyboard Shortcuts
Type numbers and operators directly from your keyboard.
Enter or =: Calculate result.
Esc: Clear all.
Backspace: Delete last digit.
Tips
For exponents like 2³, type
2
, thenx^y
, then3
, then=
.For scientific notation, use
*
and^
(e.g.,2*10^3
for 2000).Errors will display if inputs are invalid (e.g.,
log(0)
).