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Scientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 54nfactorialFactorial CalculatorCalculate factorial, permutations, and combinations from integer inputs.Score 52factorialnCompound Interest CalculatorProject future investment value with compounding frequency and recurring contributions.Score 40nPercentage CalculatorCalculate percentages, percent change, discounts, increases, and reverse percentages.Score 40nLoan CalculatorEstimate loan payments, total interest, payoff totals, and amortized monthly costs.Score 40nAnnual Salary to Hourly CalculatorConvert annual salary into hourly, weekly, biweekly, monthly, and daily pay estimates.Score 40nEmployee Turnover Rate CalculatorCalculate employee turnover rate from separations and average headcount.Score 40nPersonal Loan CalculatorEstimate payment, total cost, financing charge, and comparison scenarios for personal loan.Score 40nCar Loan CalculatorEstimate payment, total cost, financing charge, and comparison scenarios for car loan.Score 40nStudent Loan CalculatorEstimate payment, total cost, financing charge, and comparison scenarios for student loan.Score 40nInvestment Return CalculatorCalculate gain, return percentage, annualized return, and inflation-adjusted return.Score 40nFraction CalculatorAdd, subtract, multiply, divide, simplify, and compare two fractions.Score 40nAdvanced Scientific CalculatorEvaluate trig, logarithmic, exponential, root, and power operations from one advanced panel.Score 40nKids Addition CalculatorPractice addition with visual counters, guided steps, Learn Mode, and friendly checking.Score 40nKids Subtraction CalculatorLearn subtraction by taking away, seeing what remains, and revealing each step calmly.Score 40nKids Multiplication CalculatorExplore multiplication as equal groups with blocks, step-by-step solving, and practice questions.Score 40nKids Division CalculatorUnderstand division as equal sharing with guided steps, visual counters, and answer checking.Score 40nKids Fraction Simplifier CalculatorSimplify fractions with visual fraction bars, common factors, guided steps, and practice mode.Score 40nKids Algebra Identity CalculatorExpand algebra identities like (a + b)^2 with color-coded terms and gradual solving.Score 40nPhoton Energy CalculatorCalculate photon energy, frequency, and wavelength using Planck's equation.Score 40n