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Mortgage Affordability CalculatorEstimate home affordability from income, debt, down payment, interest rate, tax, and insurance.Score 100itomortgageDilution CalculatorCalculate stock volume needed using C1V1 = C2V2.Score 88itocalculateQuantum Harmonic Oscillator CalculatorCalculate quantum harmonic oscillator energy from angular frequency and quantum number.Score 88itocalculateMPG CalculatorCalculate miles per gallon, gallons per 100 miles, and trip fuel.Score 86toimyTrip Budget CalculatorEstimate travel costs for transport, accommodation, food, activities, and business expenses, then see total trip cost, cost per person, cost per day, budget health, and savings guidance.Score 84itocalculateScientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 82itocalculateSeries Resistance CalculatorCalculate total resistance for resistors in series.Score 80itocalculateParallel Resistance CalculatorCalculate total resistance for three resistors in parallel.Score 80itocalculatePower-to-Weight Ratio CalculatorCalculate vehicle or system power-to-weight ratio, required power for a target ratio, and maximum weight for the available output.Score 80itocalculateNotice Period CalculatorEstimate notice-period end offset using calendar days, working-day adjustment, and handover buffer.Score 80itocalculateDe Broglie Wavelength CalculatorCalculate matter-wave wavelength from momentum, mass, and velocity.Score 80itocalculatePlanck Equation CalculatorUse Planck's equation to calculate energy, frequency, or wavelength.Score 80itocalculateRadioactive Decay CalculatorCalculate remaining quantity, initial quantity, half-life, or time for radioactive decay.Score 80itocalculateFraction CalculatorAdd, subtract, multiply, divide, simplify, and compare two fractions.Score 78itoAutomotive Car Loan CalculatorCompare Hire Purchase and Personal Contract Purchase monthly payments, balloon payments, total payable, interest, and finance charges.Score 78itoElectron Transition Energy CalculatorCalculate electron transition energy and photon wavelength for hydrogen-like transitions.Score 78itocalculateFuel Economy CalculatorCalculate fuel economy from distance driven and fuel used.Score 76tomyiClosing Cost CalculatorEstimate buyer closing costs from purchase price, lender fees, taxes, title fees, prepaid items, and down payment.Score 76itoRatio to Percentage CalculatorCompare, simplify, scale, and distribute values for ratio to percentage.Score 76itoPercentage to Ratio CalculatorCompare, simplify, scale, and distribute values for percentage to ratio.Score 76ito