Basic Calculator
? Frequently Asked Questions
What operations does the basic calculator support?
The calculator supports addition, subtraction, multiplication, division, and modulo operations. It also includes parentheses for order of operations, decimal numbers, and memory functions (M+, M-, MR, MC).
Does it follow order of operations (PEMDAS)?
Yes, the calculator correctly follows the PEMDAS/BODMAS order: Parentheses, Exponents, Multiplication and Division (left to right), then Addition and Subtraction (left to right).
Can I use keyboard shortcuts?
Yes! You can use number keys, operators (+, -, *, /), Enter for equals, Escape to clear, and Backspace to delete. This makes calculations faster than clicking buttons.
How many decimal places does it calculate?
The calculator uses JavaScript's floating-point precision (about 15-17 decimal digits). Results are displayed with appropriate precision, and you can copy full precision values.
Does it save calculation history?
Yes, the calculator maintains a history of your recent calculations that you can review, copy, or reuse. The history persists during your session and can be cleared when needed.
Is my data safe and secure?
Yes, absolutely! This tool runs entirely in your browser. All data processing happens locally on your device - nothing is uploaded to our servers. Your files and data never leave your computer, ensuring complete privacy and security.