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Scientific Calculator
Trigonometry, logarithms, exponents and more
trigonometrylogarithmexponentscientific
📖 How to Use
- Enter a math expression in the input field, e.g. sin(30)+cos(60)
- Use function buttons to insert (sin, cos, tan, ln, log, etc.)
- Click the funcs tab to see extended functions
- Real-time result preview as you type
- Press Enter or = for the final result; it's saved as Ans
📐 Formula
Supports operator precedence, power (^), trigonometric functions, logarithms, factorial (!), percent (%), and more.
❓ FAQ
How do I switch between degrees and radians?▾
Click the deg button in the top-left corner to toggle between DEG and RAD mode.
What does Ans mean?▾
Ans stores the result of the last calculation and can be used in the next expression.
Is keyboard input supported?▾
Yes, you can type numbers, operators, and parentheses directly. Press Enter to calculate.
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About Scientific Calculator
This tool is completely free, no registration required. Works directly in your browser. Supports both PC and mobile devices.
Scientific Calculator is a free online tool that works on both PC and mobile. No registration or download required — just open in your browser. Results are accurate and reliable for everyday use and professional reference.