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Rate of Return on Equity (ROE) Calculator Net Income ($): Shareholder Equity ($): Calculate ROE Result: function calculateROE() { var netIncome = parseFloat(document.getElementById(‘netIncome’).value); var shareholderEquity = parseFloat(document.getElementById(‘shareholderEquity’).value); var roeResult = document.getElementById(‘roeResult’); if (isNaN(netIncome) || isNaN(shareholderEquity)) { roeResult.innerHTML = “Please enter…
Resting Heart Rate Calculator Number of Beats Counted: Time Duration (seconds): Calculate Resting Heart Rate function calculateRHR() { var beatsCounted = parseFloat(document.getElementById(‘beatsCounted’).value); var timeDuration = parseFloat(document.getElementById(‘timeDuration’).value); var resultDiv = document.getElementById(‘result’); if (isNaN(beatsCounted) || isNaN(timeDuration) || beatsCounted <= 0 || timeDuration…
Atomic Particle Calculator Atomic Number (Z): (Number of protons, defines the element) Mass Number (A): (Total number of protons and neutrons) Ionic Charge: (e.g., 0 for neutral, +1 for cation, -2 for anion) Calculate Particles Results: function calculateParticles() { var…
Rental Property Depreciation Calculator Total Property Purchase Price ($): Land Value Percentage (%): Eligible Closing Costs ($): Pre-Rental Improvements ($): Calculate Depreciation Calculation Results: Depreciable Basis: $0.00 Annual Depreciation: $0.00 function calculateDepreciation() { var purchasePrice = parseFloat(document.getElementById(‘purchasePrice’).value); var landValuePercentage =…
3×3 Matrix Inverse Calculator a₁₁ a₁₂ a₁₃ a₂₁ a₂₂ a₂₃ a₃₁ a₃₂ a₃₃ Calculate Inverse Result: Enter the matrix elements and click “Calculate Inverse”. function calculateMatrixInverse() { var a11 = parseFloat(document.getElementById(‘a11’).value); var a12 = parseFloat(document.getElementById(‘a12’).value); var a13 = parseFloat(document.getElementById(‘a13’).value); var…
Operating Cash Flow Calculator Net Income ($): Depreciation & Amortization ($): Increase/Decrease in Accounts Receivable ($): Enter a positive value for an increase, negative for a decrease. Increase/Decrease in Inventory ($): Enter a positive value for an increase, negative for…
Debt Service Coverage Ratio (DSCR) Calculator Use this calculator to determine a property’s or business’s ability to cover its annual debt obligations from its net operating income. Net Operating Income (NOI): $ Annual Principal Payments: $ Annual Interest Payments: $…
Heart Rate Zone Calculator Estimate your Maximum Heart Rate and personalized Target Heart Rate Zones. Your Age (years): Resting Heart Rate (bpm): Target Intensity Low (%) (e.g., 60 for fat burn): Target Intensity High (%) (e.g., 70 for aerobic): Calculate…
Decimal to Fraction Converter Decimal Number: Convert to Fraction function gcd(a, b) { a = Math.abs(a); b = Math.abs(b); while (b) { var temp = b; b = a % b; a = temp; } return a; } function calculateFraction()…
Dividend Payout Ratio Calculator Total Dividends Paid ($): Net Income ($): Calculate Payout Ratio function calculateDividendPayout() { var totalDividendsPaid = parseFloat(document.getElementById(“totalDividendsPaid”).value); var netIncome = parseFloat(document.getElementById(“netIncome”).value); var resultDiv = document.getElementById(“dividendPayoutResult”); if (isNaN(totalDividendsPaid) || isNaN(netIncome) || totalDividendsPaid < 0 || netIncome <…