Quadratic Equation Solver Coefficient ‘a’ (for ax²): Coefficient ‘b’ (for bx): Coefficient ‘c’ (constant): Solve Equation Results: Enter coefficients and click ‘Solve Equation’ to find the roots. function calculateQuadratic() { var a = parseFloat(document.getElementById(“coefficientA”).value); var b = parseFloat(document.getElementById(“coefficientB”).value); var c…

Ovulation Calculator First Day of Last Period: Average Cycle Length (days): Calculate Ovulation Enter your details above to find your estimated ovulation date and fertile window. function calculateOvulation() { var lastPeriodDateInput = document.getElementById(“lastPeriodDate”).value; var cycleLengthInput = document.getElementById(“cycleLength”).value; var resultDiv =…

Ideal Weight Calculator Height (Feet): Height (Inches): Gender: Male Female Calculate Ideal Weight Understanding Your Ideal Weight The concept of “ideal weight” refers to the weight range that is generally considered healthiest for a person of a given height and…

Weighted Average Score Calculator Score 1: Weight 1: Score 2: Weight 2: Score 3: Weight 3: Calculate Weighted Average Result: Please enter values and click ‘Calculate’. function calculateWeightedAverage() { var score1 = parseFloat(document.getElementById(‘score1’).value); var weight1 = parseFloat(document.getElementById(‘weight1’).value); var score2 =…

Algebraic Expression Evaluator Enter your algebraic expression and assign values to the variables (x, y, z, a, b, c) to evaluate its numerical result. This tool helps you “simplify” expressions by finding their numerical value for specific inputs, rather than…

Net Pay Calculator Gross Annual Salary ($): Pay Frequency: Annually Monthly Bi-Weekly Weekly Federal Income Tax Rate (%): State Income Tax Rate (%): Pre-Tax Deductions per Pay Period ($): Post-Tax Deductions per Pay Period ($): Calculate Net Pay function calculateNetPay()…

Yield to Maturity (YTM) Calculator Current Market Price ($): Par Value ($): Annual Coupon Rate (%): Years to Maturity: Coupon Frequency: Annual Semi-Annual Calculate YTM function calculateYTM() { var currentMarketPrice = parseFloat(document.getElementById(‘currentMarketPrice’).value); var parValue = parseFloat(document.getElementById(‘parValue’).value); var couponRate = parseFloat(document.getElementById(‘couponRate’).value);…

Triangle Properties Calculator Enter the lengths of the three sides of a triangle to calculate its perimeter, area, and determine its type. Side A Length: units Side B Length: units Side C Length: units Calculate Properties function calculateTriangleProperties() { var…

Basic Arithmetic Calculator Function This tool demonstrates a fundamental “calculator function” in web development, allowing you to perform basic arithmetic operations on two numbers. It showcases how a JavaScript function takes user inputs, processes them based on a selected operation,…

Overtime Pay Calculator Standard Hourly Rate ($): Standard Hours Worked (per week): Overtime Multiplier (e.g., 1.5 for time-and-a-half, 2.0 for double time): Overtime Hours Worked (per week): Calculate Overtime Pay Calculation Results: Standard Pay: $0.00 Overtime Pay: $0.00 Total Weekly…