How do I perform calculations?

Simply tap the number buttons to enter values, then use the operator buttons (+, -, ×, ÷) to perform calculations. Press = to see the result.

What does the percentage button do?

The percentage button converts the current number to a percentage (divides by 100). For example, 50 becomes 0.5.

How do I clear the calculator?

Press the AC (All Clear) button to reset the calculator and start a new calculation.

Free Online Basic Calculator for Simple Math

Free online basic calculator for everyday math. Perform addition, subtraction, multiplication, and division quickly and easily.

Basic Calculator at a glance

Perform essential mathematical operations with precision. Includes basic arithmetic operations with a clean, modern interface.

Features percentage calculations, sign toggle, and decimal support for comprehensive calculations.

Error handling ensures reliable results for all mathematical operations.

Basic Calculator - Frequently Asked Questions

Simple & Reliable Calculations

Basic Calculator: Simple Online Calculator for Everyday Math & Arithmetic Operations

Use our free online basic calculator for quick and accurate arithmetic calculations. Perfect for everyday math problems, this simple calculator handles addition, subtraction, multiplication, division, percentages, and basic functions with ease. Whether you need a calculator for homework, work, shopping, or daily calculations, our user-friendly interface provides instant results with keyboard support and memory functions for enhanced productivity.

Essential Operations

Addition, subtraction, multiplication, division, percentages, square root, and power functions for all your basic math needs.

Instant Results

Lightning-fast calculations with real-time display updates and error handling for reliable arithmetic operations.

User-Friendly Design

Intuitive interface with keyboard shortcuts, memory functions (MC, MR, M+, M-), and clear visual feedback for effortless use.

Comprehensive Methods & Features

Core Functions

• Basic arithmetic operations: addition (+), subtraction (-), multiplication (×), division (÷)
• Advanced functions: square root (√), square (x²), reciprocal (1/x), percentage (%)
• Power calculations with exponent operator (^) for scientific and engineering applications
• Parentheses support for complex expressions and proper order of operations

Enhanced Features

• Memory functions: Memory Clear (MC), Memory Recall (MR), Memory Add (M+), Memory Subtract (M-)
• Full keyboard support with number keys, operators, Enter (=), Backspace (DEL), and Escape (AC)
• Precision handling to avoid floating-point errors with normalized results display
• Error detection and handling for division by zero and invalid mathematical expressions

Complete Basic Math Calculator

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Expand your calculation capabilities with our comprehensive calculator suite. Use the Scientific Calculator for advanced mathematical functions, the Percentage Calculator for detailed ratio analysis, or the Calorie Calculator for health and fitness calculations.

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Important: This basic calculator is designed for general mathematical calculations and educational purposes. While calculations are mathematically accurate, always verify critical calculations independently. For financial, scientific, or professional applications, consult appropriate specialized tools and qualified professionals.

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Basic Calculator: Simple Online Calculator for Everyday Math & Arithmetic Operations