Advanced Math Calculator
:root {
–primary-blue: #004a99;
–success-green: #28a745;
–light-background: #f8f9fa;
–white: #ffffff;
–gray-dark: #343a40;
–gray-medium: #6c757d;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: var(–light-background);
color: var(–gray-dark);
line-height: 1.6;
margin: 0;
padding: 20px;
}
.loan-calc-container {
max-width: 800px;
margin: 40px auto;
background-color: var(–white);
padding: 30px;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
h1, h2 {
color: var(–primary-blue);
text-align: center;
margin-bottom: 20px;
}
.input-group {
margin-bottom: 20px;
display: flex;
flex-direction: column;
}
.input-group label {
font-weight: bold;
margin-bottom: 8px;
color: var(–gray-dark);
}
.input-group input[type="number"],
.input-group input[type="text"] {
padding: 10px 15px;
border: 1px solid #ced4da;
border-radius: 4px;
font-size: 1rem;
transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.input-group input[type="number"]:focus,
.input-group input[type="text"]:focus {
border-color: var(–primary-blue);
outline: none;
box-shadow: 0 0 0 0.2rem rgba(0, 74, 153, 0.25);
}
button {
background-color: var(–primary-blue);
color: var(–white);
border: none;
padding: 12px 25px;
border-radius: 4px;
font-size: 1.1rem;
cursor: pointer;
transition: background-color 0.2s ease-in-out;
width: 100%;
margin-top: 10px;
}
button:hover {
background-color: #003366;
}
#result {
margin-top: 30px;
padding: 20px;
background-color: var(–success-green);
color: var(–white);
border-radius: 4px;
font-size: 1.5rem;
font-weight: bold;
text-align: center;
min-height: 60px;
display: flex;
align-items: center;
justify-content: center;
box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
}
.explanation-section {
margin-top: 40px;
padding: 25px;
background-color: var(–white);
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.explanation-section h2 {
color: var(–primary-blue);
text-align: left;
margin-bottom: 15px;
}
.explanation-section p, .explanation-section ul {
margin-bottom: 15px;
}
.explanation-section li {
margin-bottom: 8px;
}
@media (max-width: 600px) {
.loan-calc-container {
padding: 20px;
margin: 20px auto;
}
button {
font-size: 1rem;
padding: 10px 20px;
}
#result {
font-size: 1.2rem;
}
}
Advanced Math Calculator
Perform various mathematical operations with ease.
Understanding the Advanced Math Calculator
This calculator is designed to handle a variety of fundamental mathematical operations. It goes beyond basic arithmetic to include exponentiation, square roots, and percentage calculations, making it a versatile tool for students, educators, and professionals alike.
Operations Explained:
- Addition (+): Combines two numbers. (e.g., 5 + 3 = 8)
- Subtraction (-): Finds the difference between two numbers. (e.g., 10 – 4 = 6)
- Multiplication (*): Repeats one number by another. (e.g., 6 * 7 = 42)
- Division (/): Splits one number into equal parts by another. (e.g., 15 / 3 = 5)
- Power (^): Raises the first number to the power of the second number. (e.g., 2 ^ 3 = 2 * 2 * 2 = 8)
- Square Root (sqrt): Calculates the number which, when multiplied by itself, equals the first number. This operation only uses the first number. (e.g., sqrt(16) = 4)
- Percentage (%): Calculates a specific percentage of the first number. You provide the percentage value (e.g., 25 for 25%). (e.g., 10% of 200 = 20)
How to Use:
1. Enter your first number in the "First Number" field.
2. Select the desired mathematical operation from the "Operation" dropdown.
3. If the operation requires a second number (like addition, subtraction, multiplication, division, or power), enter it in the "Second Number" field. This field will be hidden for operations like square root.
4. For the "Percent" operation, enter the percentage value (e.g., 10 for 10%) in the dedicated "Percentage Value" field.
5. Click the "Calculate" button.
6. The result will be displayed prominently below the button.
Use Cases:
- Students: Quickly solve homework problems, check answers, and understand mathematical concepts.
- Educators: Generate examples for lessons or verify calculations during teaching.
- Professionals: Perform quick calculations for data analysis, financial modeling (basic operations), or project planning.
- Everyday Use: Simplify everyday calculations that require more than just basic arithmetic.
This calculator provides a reliable and straightforward way to perform essential mathematical computations, helping you save time and ensure accuracy.
function showHideSecondNumberInput() {
var operatorSelect = document.getElementById("operator");
var num2Group = document.getElementById("num2Group");
var percentValueGroup = document.getElementById("percentValueGroup");
var selectedOperation = operatorSelect.value;
if (selectedOperation === "sqrt" || selectedOperation === "percent") {
num2Group.style.display = "none";
} else {
num2Group.style.display = "flex";
}
if (selectedOperation === "percent") {
percentValueGroup.style.display = "flex";
} else {
percentValueGroup.style.display = "none";
}
}
function calculate() {
var num1Input = document.getElementById("num1");
var num2Input = document.getElementById("num2");
var percentValueInput = document.getElementById("percentValue");
var operatorSelect = document.getElementById("operator");
var resultDiv = document.getElementById("result");
var num1 = parseFloat(num1Input.value);
var num2 = parseFloat(num2Input.value);
var percentValue = parseFloat(percentValueInput.value);
var operator = operatorSelect.value;
var finalResult = NaN; // Initialize with NaN
// Check if num1 is a valid number
if (isNaN(num1)) {
resultDiv.innerText = "Error: Please enter a valid number for 'First Number'.";
return;
}
switch (operator) {
case "add":
if (isNaN(num2)) {
resultDiv.innerText = "Error: Please enter a valid number for 'Second Number'.";
return;
}
finalResult = num1 + num2;
break;
case "subtract":
if (isNaN(num2)) {
resultDiv.innerText = "Error: Please enter a valid number for 'Second Number'.";
return;
}
finalResult = num1 – num2;
break;
case "multiply":
if (isNaN(num2)) {
resultDiv.innerText = "Error: Please enter a valid number for 'Second Number'.";
return;
}
finalResult = num1 * num2;
break;
case "divide":
if (isNaN(num2)) {
resultDiv.innerText = "Error: Please enter a valid number for 'Second Number'.";
return;
}
if (num2 === 0) {
resultDiv.innerText = "Error: Cannot divide by zero.";
return;
}
finalResult = num1 / num2;
break;
case "power":
if (isNaN(num2)) {
resultDiv.innerText = "Error: Please enter a valid number for 'Second Number'.";
return;
}
finalResult = Math.pow(num1, num2);
break;
case "sqrt":
if (num1 < 0) {
resultDiv.innerText = "Error: Cannot calculate square root of a negative number.";
return;
}
finalResult = Math.sqrt(num1);
break;
case "percent":
if (isNaN(percentValue)) {
resultDiv.innerText = "Error: Please enter a valid percentage value.";
return;
}
finalResult = (percentValue / 100) * num1;
break;
default:
resultDiv.innerText = "Error: Invalid operation selected.";
return;
}
if (!isNaN(finalResult)) {
resultDiv.innerText = "Result: " + finalResult.toFixed(4); // Display with 4 decimal places for precision
} else {
resultDiv.innerText = "Error: Calculation failed. Please check inputs.";
}
}
// Add event listener to update input visibility when operator changes
document.getElementById("operator").addEventListener("change", showHideSecondNumberInput);
// Initial call to set visibility on page load
showHideSecondNumberInput();