Google Math Calculator

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Google Math Calculator

Addition (+) Subtraction (-) Multiplication (*) Division (/) Power (x^y) Square Root (sqrt(x)) Factorial (x!) Sine (sin(x) – radians) Cosine (cos(x) – radians) Tangent (tan(x) – radians) Natural Logarithm (ln(x))
Result:
function calculateMath() { var num1 = parseFloat(document.getElementById('firstNumber').value); var num2 = parseFloat(document.getElementById('secondNumber').value); var op = document.getElementById('operation').value; var resultDiv = document.getElementById('result'); var result; resultDiv.style.color = '#333'; // Reset color for new results if (isNaN(num1)) { resultDiv.innerHTML = 'Error: Please enter a valid number for First Number.'; resultDiv.style.color = 'red'; return; } switch (op) { case 'add': if (isNaN(num2)) { resultDiv.innerHTML = 'Error: Please enter a valid number for Second Number for addition.'; resultDiv.style.color = 'red'; return; } result = num1 + num2; break; case 'subtract': if (isNaN(num2)) { resultDiv.innerHTML = 'Error: Please enter a valid number for Second Number for subtraction.'; resultDiv.style.color = 'red'; return; } result = num1 – num2; break; case 'multiply': if (isNaN(num2)) { resultDiv.innerHTML = 'Error: Please enter a valid number for Second Number for multiplication.'; resultDiv.style.color = 'red'; return; } result = num1 * num2; break; case 'divide': if (isNaN(num2)) { resultDiv.innerHTML = 'Error: Please enter a valid number for Second Number for division.'; resultDiv.style.color = 'red'; return; } if (num2 === 0) { resultDiv.innerHTML = 'Error: Division by zero is undefined.'; resultDiv.style.color = 'red'; return; } result = num1 / num2; break; case 'power': if (isNaN(num2)) { resultDiv.innerHTML = 'Error: Please enter a valid number for Second Number for power calculation.'; resultDiv.style.color = 'red'; return; } result = Math.pow(num1, num2); break; case 'sqrt': if (num1 < 0) { resultDiv.innerHTML = 'Error: Cannot take the square root of a negative number.'; resultDiv.style.color = 'red'; return; } result = Math.sqrt(num1); break; case 'factorial': if (num1 < 0 || !Number.isInteger(num1)) { resultDiv.innerHTML = 'Error: Factorial is defined for non-negative integers only.'; resultDiv.style.color = 'red'; return; } var fact = 1; for (var i = 2; i <= num1; i++) { fact *= i; } result = fact; break; case 'sin': result = Math.sin(num1); break; case 'cos': result = Math.cos(num1); break; case 'tan': // Check for values where tan is undefined (PI/2 + n*PI) // Using a small epsilon for floating point comparison var remainder = Math.abs(num1 % Math.PI); if (Math.abs(remainder – Math.PI / 2) < 1e-9 || Math.abs(remainder – 3 * Math.PI / 2) < 1e-9) { resultDiv.innerHTML = 'Error: Tangent is undefined for this angle (e.g., π/2, 3π/2).'; resultDiv.style.color = 'red'; return; } result = Math.tan(num1); break; case 'log': if (num1 <= 0) { resultDiv.innerHTML = 'Error: Natural logarithm is defined for positive numbers only.'; resultDiv.style.color = 'red'; return; } result = Math.log(num1); // Natural logarithm (base e) break; default: resultDiv.innerHTML = 'Error: Invalid operation selected.'; resultDiv.style.color = 'red'; return; } resultDiv.innerHTML = 'Result: ' + result.toFixed(6); // Display with 6 decimal places for precision }

Understanding the Google Math Calculator

Just like the powerful calculator embedded directly into Google Search, our online Google Math Calculator provides a quick and easy way to perform a wide range of mathematical operations. Whether you need to tackle basic arithmetic or delve into more complex functions like trigonometry and logarithms, this tool is designed for simplicity and accuracy.

How to Use the Calculator

Using the calculator is straightforward:

  1. Enter Your Numbers: Input your primary value into the "First Number" field. For operations that require two numbers (like addition, subtraction, multiplication, division, and power), also fill in the "Second Number" field.
  2. Select an Operation: Choose the mathematical function you wish to perform from the "Operation" dropdown menu.
  3. Calculate: Click the "Calculate" button to see your result displayed instantly.

Note that for unary operations (functions that only require one input, such as Square Root or Factorial), the "Second Number" field will be ignored.

Supported Operations and Examples

Basic Arithmetic (Binary Operations)
  • Addition (+): Adds two numbers together.
    Example: First Number = 15, Second Number = 7, Operation = Addition → Result: 22
  • Subtraction (-): Finds the difference between two numbers.
    Example: First Number = 25, Second Number = 12, Operation = Subtraction → Result: 13
  • Multiplication (*): Multiplies two numbers.
    Example: First Number = 8, Second Number = 6, Operation = Multiplication → Result: 48
  • Division (/): Divides the first number by the second.
    Example: First Number = 100, Second Number = 4, Operation = Division → Result: 25
    Edge Case: Division by zero will result in an error.
Advanced Operations (Binary & Unary)
  • Power (x^y): Raises the first number to the power of the second number.
    Example: First Number = 3, Second Number = 4, Operation = Power → Result: 81 (34)
  • Square Root (sqrt(x)): Calculates the square root of the first number.
    Example: First Number = 64, Operation = Square Root → Result: 8
    Edge Case: Inputting a negative number will result in an error.
  • Factorial (x!): Computes the factorial of the first number (product of all positive integers up to that number).
    Example: First Number = 5, Operation = Factorial → Result: 120 (5! = 5 * 4 * 3 * 2 * 1)
    Edge Case: Only works for non-negative integers.
  • Sine (sin(x)): Calculates the sine of the first number (assumes input in radians).
    Example: First Number = 0 (radians), Operation = Sine → Result: 0
    Example: First Number = 1.570796 (approx. π/2 radians), Operation = Sine → Result: 1
  • Cosine (cos(x)): Calculates the cosine of the first number (assumes input in radians).
    Example: First Number = 0 (radians), Operation = Cosine → Result: 1
    Example: First Number = 3.141593 (approx. π radians), Operation = Cosine → Result: -1
  • Tangent (tan(x)): Calculates the tangent of the first number (assumes input in radians).
    Example: First Number = 0.785398 (approx. π/4 radians), Operation = Tangent → Result: 1
    Edge Case: Tangent is undefined at certain angles (e.g., π/2, 3π/2).
  • Natural Logarithm (ln(x)): Computes the natural logarithm (base e) of the first number.
    Example: First Number = 2.718282 (approx. e), Operation = Natural Logarithm → Result: 1
    Edge Case: Inputting a non-positive number will result in an error.

Why Use This Calculator?

This calculator is perfect for students, professionals, or anyone needing quick and accurate mathematical computations without needing to open a separate application or search engine. Its clear interface and comprehensive set of operations make it a valuable tool for everyday calculations and academic tasks.

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