Scientific Calculator
Professional-grade mathematical tool for students and engineers.
Keyboard Shortcuts
- • Numbers & Math: Type directly
- • Enter: Calculate (=)
- • Backspace: Delete
- • Shift+8: Multiply (*)
- • Shift+6: Power (^)
Your Free Online Scientific Calculator
Stop carrying around a bulky TI-84. Our Free Scientific Calculator brings powerful mathematical capabilities directly to your browser. Whether you are solving trigonometry problems for your Physics homework or calculating complex exponentials for Engineering, this tool is designed to be fast, accurate, and reliable.
Key Capabilities
Unlike basic calculators, a scientific calculator includes functions that go beyond simple arithmetic:
- Trigonometry: Calculate Sine (sin), Cosine (cos), and Tangent (tan) instantly. Perfect for geometry and physics vectors.
- Logarithms: Solve for ln (Natural Log) and standard log (Base 10) equations.
- Exponents & Roots: Easily compute square roots (√) and powers (x^y) for algebra.
Why Students Love UnitMaster?
Most online calculators are riddled with ads or require an internet connection. UnitMaster is part of our Privacy-First initiative. Once this page loads, you can turn off your Wi-Fi and still calculate everything strictly on your device. We never track your equations or store your history on our servers.
Pro Tip: You can use your keyboard! Type numbers and operators (+, -, *, /) directly. Use 'Enter' to solve and 'Backspace' to correct errors.
Offline Ready
Built with Progressive Web App (PWA) technology. Works even without an internet connection.
Advanced Functions
Includes PI (π), Euler's number (e), absolute values, and full parenthesis support for complex order of operations.
History Tape
Automatically saves your last 5 calculations so you can triple-check your homework answers.
Why choose UnitMaster?
- Completely Free (No Subscription).
- No 'Sign Up' required to use.
- Mobile-Responsive Grid Layout.
- Dark Mode Compatible.