Scientific Calculator Online
Scientific Calculator Online
The most advanced free scientific calculator on the web. Perform complex math, trigonometry, graphing, matrix operations, unit conversions, statistical analysis, equation solving, and much more — all instantly in your browser with zero installation required.
About This Tool
This Scientific Calculator Online is a fully featured, professional-grade math tool built for students, engineers, scientists, teachers, and professionals. It handles everything from basic arithmetic to advanced calculus operations — all for free, with zero ads interrupting your work. It runs entirely in your browser; no data is sent to any server.
How to Use This Calculator
- Basic / Scientific: Click the buttons or type on your keyboard to enter expressions.
- DEG / RAD / GRAD: Switch angle mode before using trig functions.
- Memory: M+ adds to memory, M− subtracts, MR recalls, MC clears.
- Graphing Tab: Type a function like
sin(x)and click Plot. - Unit Converter: Select category, enter value, choose units and convert.
- Statistics Tab: Enter comma-separated numbers to get statistical data.
- History: Click the History button to review past calculations.
- Keyboard: Full keyboard support — numbers, operators, Enter, Backspace.
Key Features
- 10 Advanced Tabs: Scientific, Graphing, Unit Converter, Statistics, Matrix, Base Converter, Equation Solver, Constants, Formulas & more
- Real-time Graphing with zoom & pan on HTML5 Canvas
- Full keyboard support with shortcut hints
- Unlimited History with recall & export
- Memory functions M+, M−, MR, MC, MS
- DEG / RAD / GRAD angle modes
- Number Base Converter DEC/BIN/OCT/HEX
- Statistical suite — mean, median, mode, std dev, variance
- Matrix operations — det, transpose, inverse
- Physical Constants reference sheet
10 Exclusive Pro Features
- Live Expression Preview — see result as you type
- Multi-function Grapher — plot up to 3 functions simultaneously
- Equation Solver — linear & quadratic with step-by-step
- Scientific Notation Toggle — switch display format instantly
- Calculation Export — copy history as text or CSV
- Physical Constants Panel — 20+ built-in constants (c, G, h, e…)
- Symbolic Derivative — basic derivative of common functions
- Factorial & Permutation/Combination (nPr, nCr)
- Complex Error Explanations — friendly error messages
- Theme Responsive — matches Astra Pro & mobile perfectly
Benefits
- 100% Free — no hidden charges, no subscriptions
- No installation or app download required
- Works on all devices — desktop, tablet, mobile
- Privacy-first — all calculations stay in your browser
- No distracting ads or popups
- Faster than opening a physical calculator
- Ideal for students, teachers, engineers & researchers
- Always available 24/7 online
🔬 Scientific Calculator
Live & FunctionalFunction Grapher
Supported: sin, cos, tan, sqrt, log, ln, abs, ceil, floor, pi, e, x^n, x*n
Unit Converter
Statistical Analysis
Matrix Calculator (3×3)
Number Base Converter
Type in any field to auto-convert to all bases.
Equation Solver
Physical & Mathematical Constants
Click any constant to copy its value to the scientific calculator.
