Scientific Calculator
A full-featured scientific calculator with trigonometry, logarithms, exponents, and more.
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Supported Functions
| Function | Syntax | Example |
|---|---|---|
| Addition | a + b | 5 + 3 = 8 |
| Subtraction | a − b | 10 − 4 = 6 |
| Multiplication | a × b | 6 × 7 = 42 |
| Division | a ÷ b | 20 ÷ 4 = 5 |
| Exponent | a^b | 2^10 = 1024 |
| Square root | √(a) | √(144) = 12 |
| Sine | sin(a) | sin(0) = 0 |
| Cosine | cos(a) | cos(0) = 1 |
| Logarithm | log(a) | log(100) = 2 |
| Natural log | ln(a) | ln(e) = 1 |
| Factorial | n! | 5! = 120 |
| Pi | π | π ≈ 3.14159 |
| Euler's number | e | e ≈ 2.71828 |
Frequently Asked Questions
How do I use the scientific calculator?
Type an expression or click the buttons. Supports +, −, ×, ÷, parentheses, exponents (^), square root (√), trigonometry (sin, cos, tan), logarithms (log, ln), π, and e.
What functions does this calculator support?
Basic: +, −, ×, ÷. Scientific: sin, cos, tan, asin, acos, atan, log (base 10), ln (natural), √ (square root), x², x^y, π, e, ! (factorial), abs, and parentheses.
How do I calculate square root?
Click √ then enter the number, or type sqrt(number). For example, sqrt(144) = 12.
Does this work on mobile?
Yes. The calculator is fully responsive and works on any device — phone, tablet, or computer.
Is this calculator free?
Yes. Completely free, no sign-up, and runs entirely in your browser.