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Kids Algebra Identity CalculatorExpand algebra identities like (a + b)^2 with color-coded terms and gradual solving.Score 40algebraEquation SolverSolve a linear equation of the form ax + b = c.Score 22algebraSystem of Equations CalculatorSolve a 2x2 linear system a1x + b1y = c1 and a2x + b2y = c2.Score 22algebraMatrix Addition CalculatorAdd two 2x2 matrices entry by entry.Score 22algebraMatrix Multiplication CalculatorMultiply two 2x2 matrices.Score 22algebraDeterminant CalculatorCalculate the determinant of a 2x2 matrix.Score 14algebraInverse Matrix CalculatorCalculate inverse entries for a 2x2 matrix.Score 14algebraQuadratic Formula CalculatorCalculate discriminant and real roots for a quadratic equation.Score 12algebraPolynomial CalculatorEvaluate a polynomial ax^3 + bx^2 + cx + d.Score 12algebraMatrix CalculatorCalculate determinant, trace, and inverse determinant for a 2x2 matrix.Score 12algebraVector CalculatorCalculate vector magnitude, dot product, and component sums for 3D vectors.Score 12algebraMortgage CalculatorEstimate monthly mortgage payments, total interest, principal, and payoff cost.Score 2BMI CalculatorCalculate body mass index using metric or imperial units and view the standard BMI category.Score 2Compound Interest CalculatorProject future investment value with compounding frequency and recurring contributions.Score 2Fuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 2Scientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 2Percentage CalculatorCalculate percentages, percent change, discounts, increases, and reverse percentages.Score 2Loan CalculatorEstimate loan payments, total interest, payoff totals, and amortized monthly costs.Score 2Force CalculatorCalculate force, mass, or acceleration using Newton's second law.Score 2Ohm's Law CalculatorCalculate voltage, current, resistance, and power from Ohm's law relationships.Score 2