Scientific Calculator
CalculatorsEvaluate mathematical expressions with trig, log, factorial, and more.
How to Use
1
Type or click
Type your expression or click the function buttons (sin, cos, sqrt, etc.) to build it up.
2
Press =
Hit Enter or click the = button to evaluate the expression.
3
Read the result
See the evaluated result displayed below. If there's an error, it will show in red.
About Scientific Calculator
A scientific calculator is the tool you need exactly when you need it, and app stores are not always convenient. ILikePdf Scientific Calculator provides arithmetic, trigonometric, logarithmic, and statistical functions with degree/radian switching and full expression history, all in the browser. It works offline and requires no install. Whether it is homework, engineering, or a quick check, the calculation happens locally on your device.
How to use the scientific calculator Scientific Calculator
Step 1: Use the keypad for basic arithmetic.
Step 2: Switch to scientific mode for trigonometry, logarithms, and powers.
Step 3: Toggle degrees/radians for trigonometric functions.
Step 4: Use parentheses for complex expressions.
Step 5: Read the full expression history while you work.
Common use cases for Scientific Calculator
- Perform trig and log calculations without an app.
- Work through homework and exam practice.
- Calculate statistical functions quickly.
- Solve engineering formulas offline.
Pro tips
- Check the degree/radian mode before trig work.
- Expression history helps verify multi-step calculations.
- The calculator works fully offline.
- Switch to radian mode before trigonometric work in programming contexts.
- Use parentheses generously — the display shows the full expression.