Free Online Calculator
A fast, accurate, and easy-to-use calculator for everyday math. Perform basic and advanced calculations instantly — right in your browser.
Advanced Options
🔧 Extended Functions
Click the ⚙️ Advanced button on the calculator to unlock additional functions:
- √ (Square Root) — Calculate the square root of a number. Example:
√(16)= 4 - x² (Square) — Raise a number to the power of 2. Example:
5^2= 25 - xʸ (Power) — Raise a number to any exponent. Example:
2^8= 256 - 1/x (Reciprocal) — Compute the reciprocal. Example:
1/(4)= 0.25 - % (Percentage) — Converts a number to its decimal form. Example:
75%= 0.75 - Parentheses — Group expressions for correct order of operations. Example:
(2+3)×4= 20 - Decimal Support — Full support for decimal numbers with high precision.
⌨️ Full Keyboard Support
You can use your keyboard for faster input:
- Numbers 0–9 — Type digits directly
- + - * / — Basic operators (use * for multiply, / for divide)
- Enter — Calculate result
- Backspace — Remove last character
- Escape — Clear all
- . — Decimal point
- ( ) — Parentheses
- % — Percentage
Help & Frequently Asked Questions
How do I use this calculator?
Simply click the buttons or use your keyboard to enter numbers and operators. The calculator shows a live preview of the result as you type. Press = or Enter to finalize the calculation and save it to your history. It's that easy!
Is this calculator really free?
Yes, 100% free. There is no registration, no subscription, no login wall, and absolutely no hidden fees. You can use it as many times as you want, whenever you need it — no limitations whatsoever.
Can I use this on my phone or tablet?
Absolutely! The SuqMall Calculator is fully responsive and works perfectly on desktop, tablet, and mobile devices. All buttons are sized for easy tapping on touchscreens, and the layout adapts seamlessly to any screen size.
How does the calculation history work?
Every time you press = (or Enter), your calculation is saved to the history panel on the right (or below the calculator on mobile). You can click any history item to reload that expression. Use the Clear History button to remove all saved calculations. History is stored only in your browser and is not shared with anyone.
What advanced features are available?
Click the ⚙️ Advanced button to reveal extended functions including square root (√), square (x²), power (xʸ), and reciprocal (1/x). The calculator also supports parentheses for grouping, percentage conversion, full decimal arithmetic, and complete keyboard input.
Are my calculations private?
Yes, completely private. All calculations are performed directly in your browser using JavaScript. No data is ever sent to any server. Your calculation history stays on your device and is cleared when you close the page or click Clear History.