Calculator Calculus

.calc-wrapper { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; max-width: 800px; margin: 20px auto; padding: 25px; border: 1px solid #e1e1e1; border-radius: 12px; background-color: #f9fbfd; box-shadow: 0 4px 6px rgba(0,0,0,0.05); } .calc-header { text-align: center; margin-bottom: 25px; } .calc-header h2 { color: #2c3e50; margin-bottom: 10px; } .input-group { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; } .input-field { display: flex; flex-direction: column; } .input-field label { font-weight: 600; margin-bottom: 8px; color: #34495e; } .input-field input { padding: 12px; border: 1px solid #ccd1d9; border-radius: 6px; font-size: 16px; } .calc-btn { width: 100%; background-color: #3498db; color: white; padding: 15px; border: none; border-radius: 6px; font-size: 18px; font-weight: bold; cursor: pointer; transition: background-color 0.3s; } .calc-btn:hover { background-color: #2980b9; } .result-container { margin-top: 25px; padding: 20px; background-color: #ffffff; border-radius: 8px; border-left: 5px solid #3498db; display: none; } .result-item { margin-bottom: 15px; } .result-label { font-weight: bold; color: #7f8c8d; display: block; font-size: 0.9em; text-transform: uppercase; } .result-value { font-size: 1.4em; color: #2c3e50; font-family: "Courier New", Courier, monospace; } .article-section { margin-top: 40px; line-height: 1.6; color: #444; } .article-section h3 { color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 5px; display: inline-block; } .formula-box { background: #eee; padding: 10px; border-radius: 4px; font-family: "Courier New", Courier, monospace; margin: 10px 0; display: block; text-align: center; }

Power Rule Calculus Calculator

Calculate the derivative and indefinite integral for functions in the form of f(x) = axⁿ

The Function:
The Derivative (f'(x)):
The Indefinite Integral (∫f(x)dx):

How to Use This Calculus Calculator

This tool is specifically designed to handle the Power Rule, which is the foundation of differential and integral calculus. It solves equations where a variable (x) is raised to a constant power (n) and multiplied by a coefficient (a).

Understanding the Derivative Power Rule

In calculus, the Power Rule for differentiation states that for any real number n, the derivative of xⁿ is nxⁿ⁻¹. If there is a coefficient a, the formula becomes:

f'(x) = a * n * x^(n-1)

For example, if you have 5x³, the derivative is 5 * 3 * x^(3-1), which simplifies to 15x².

Understanding the Integral Power Rule

The Power Rule for integration (the anti-derivative) is the inverse. To find the integral of axⁿ, you increase the exponent by 1 and divide the coefficient by the new exponent. The formula is:

∫axⁿ dx = (a / (n+1)) * x^(n+1) + C

Note: This rule applies for all values of n except for n = -1. When n = -1, the integral is a * ln|x| + C.

Real-World Example

If you are calculating the velocity of an object where the position is defined by 4x²:

  • Coefficient (a): 4
  • Exponent (n): 2
  • Derivative (Velocity): 8x¹ (or simply 8x)
  • Integral: (4/3)x³ + C (approximately 1.33x³)
function performCalculus() { var a = parseFloat(document.getElementById('coeffA').value); var n = parseFloat(document.getElementById('exponentN').value); var resBox = document.getElementById('resultBox'); if (isNaN(a) || isNaN(n)) { alert("Please enter valid numbers for both the coefficient and the exponent."); return; } // Original Function String var origStr = a + "x^(" + n + ")"; document.getElementById('origFunc').innerText = "f(x) = " + origStr; // — DERIVATIVE LOGIC — // f'(x) = (a*n)x^(n-1) var derivCoeff = a * n; var derivExp = n – 1; var derivStr = ""; if (derivCoeff === 0) { derivStr = "0"; } else { derivStr = derivCoeff.toFixed(4).replace(/\.?0+$/, "") + "x^(" + derivExp.toFixed(4).replace(/\.?0+$/, "") + ")"; } document.getElementById('derivRes').innerText = derivStr; // — INTEGRAL LOGIC — // ∫ax^n dx = (a/(n+1))x^(n+1) + C var integStr = ""; if (n === -1) { integStr = a.toFixed(4).replace(/\.?0+$/, "") + " * ln|x| + C"; } else { var newExp = n + 1; var newCoeff = a / newExp; integStr = newCoeff.toFixed(4).replace(/\.?0+$/, "") + "x^(" + newExp.toFixed(4).replace(/\.?0+$/, "") + ") + C"; } document.getElementById('integRes').innerText = integStr; // Show results resBox.style.display = "block"; }

Leave a Comment