Basic Calculator
Simple calculator for basic arithmetic operations.
Calculator
About This Calculator
The Basic Calculator performs simple arithmetic operations: addition, subtraction, multiplication, and division. It's a straightforward calculator for everyday calculations, with a clean interface that's easy to use.
This calculator supports basic math operations, decimal numbers, percentage calculations, and negative numbers. It's perfect for quick calculations without the complexity of a scientific calculator.
Formula & Calculation Method
Basic Operations:
Addition: a + b
Subtraction: a - b
Multiplication: a × b
Division: a ÷ b
Percentage: a% = a ÷ 100
The calculator follows standard order of operations. Enter numbers, select an operation, enter the second number, and press equals to get the result.
How to Use This Calculator
- Enter Number: Click number buttons or type on your keyboard.
- Select Operation: Click +, -, ×, or ÷ to choose an operation.
- Enter Second Number: Input the second number.
- Get Result: Click = to calculate the result.
- Clear: Click C to clear and start over.
Frequently Asked Questions
What operations does this calculator support?
This calculator supports addition (+), subtraction (-), multiplication (×), division (÷), percentage (%), and negative numbers. It handles decimal numbers and basic arithmetic operations.
How do I calculate percentages?
Enter a number, then click the % button to convert it to a percentage (divide by 100). For example, entering 50 and clicking % gives 0.5.
What happens if I divide by zero?
Division by zero shows an error message "Cannot divide by zero". Press C (Clear) to reset the calculator and try a different calculation.
Can I use keyboard shortcuts?
You can type numbers and use keyboard keys for operations: +, -, *, /, Enter (=), and Escape (C for clear).
Calculator by
NumCalculators Editorial Team
Multi-disciplinary Expert Team