Raw Calculator

Basic Arithmetic Calculator

function calculateArithmetic(operation) { var firstNumber = parseFloat(document.getElementById('firstNumberInput').value); var secondNumber = parseFloat(document.getElementById('secondNumberInput').value); var resultDiv = document.getElementById('calculationResult'); var result; var operationSymbol; if (isNaN(firstNumber) || isNaN(secondNumber)) { resultDiv.innerHTML = 'Please enter valid numbers for both fields.'; return; } switch (operation) { case 'add': result = firstNumber + secondNumber; operationSymbol = '+'; break; case 'subtract': result = firstNumber – secondNumber; operationSymbol = '-'; break; case 'multiply': result = firstNumber * secondNumber; operationSymbol = '*'; break; case 'divide': if (secondNumber === 0) { resultDiv.innerHTML = 'Cannot divide by zero.'; return; } result = firstNumber / secondNumber; operationSymbol = '/'; break; default: resultDiv.innerHTML = 'Invalid operation selected.'; return; } resultDiv.innerHTML = 'Result: ' + firstNumber + ' ' + operationSymbol + ' ' + secondNumber + ' = ' + result.toFixed(2); }

Understanding Basic Arithmetic Operations

Arithmetic is a fundamental branch of mathematics that deals with the study of numbers and the traditional operations between them. These basic operations are addition, subtraction, multiplication, and division. They form the bedrock for more complex mathematical concepts and are essential for everyday problem-solving, from managing finances to understanding scientific data.

How Our Basic Arithmetic Calculator Works

Our Basic Arithmetic Calculator simplifies these core operations. You simply input two numbers, and then select the operation you wish to perform. The calculator will instantly display the result, helping you quickly verify calculations or explore different numerical relationships.

• Addition (+): This operation combines two numbers to find their sum. For example, if you input 10 as the First Number and 5 as the Second Number, and select 'Add', the result will be 15 (10 + 5 = 15).
• Subtraction (-): This operation finds the difference between two numbers. Using the same example, 10 as the First Number and 5 as the Second Number, selecting 'Subtract' will yield 5 (10 – 5 = 5).
• Multiplication (*): This operation is essentially repeated addition. It finds the product of two numbers. With 10 and 5, selecting 'Multiply' will give you 50 (10 * 5 = 50).
• Division (/): This operation splits a number into equal parts. It finds how many times one number is contained within another. For 10 and 5, selecting 'Divide' will result in 2 (10 / 5 = 2). The calculator also handles the edge case of division by zero, preventing errors.

This tool is perfect for students learning basic math, or anyone needing a quick and reliable way to perform fundamental calculations without reaching for a physical calculator.