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Linear Equation CalculatorCalculate slope, intercept, and value for a linear equation y = mx + b.Score 80linearequationmathSystem of Equations CalculatorSolve a 2x2 linear system a1x + b1y = c1 and a2x + b2y = c2.Score 56equationlinearmathScientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 52scientificequationEquation SolverSolve a linear equation of the form ax + b = c.Score 48equationlinearmathPlanck Equation CalculatorUse Planck's equation to calculate energy, frequency, or wavelength.Score 44equationscientificExponent CalculatorCalculate powers and exponential values quickly.Score 40scientificmathequationAdvanced Scientific CalculatorEvaluate trig, logarithmic, exponential, root, and power operations from one advanced panel.Score 40scientificLogarithm CalculatorCalculate logarithms for any positive base and value.Score 34scientificequationEngineering Scientific CalculatorCalculate engineering-ready power, force, torque, and scientific notation values.Score 30scientificMass-Energy Equivalence CalculatorConvert between mass and equivalent energy using Einstein's equation.Score 28equationscientificQuadratic Formula CalculatorCalculate discriminant and real roots for a quadratic equation.Score 26mathequationMatrix Addition CalculatorAdd two 2x2 matrices entry by entry.Score 26linearscientificMatrix Multiplication CalculatorMultiply two 2x2 matrices.Score 26linearscientificInverse Matrix CalculatorCalculate inverse entries for a 2x2 matrix.Score 26linearscientificNuclear Reaction Energy CalculatorCalculate nuclear reaction Q-value from reactant and product masses.Score 26scientificequationLogarithmic Function CalculatorCalculate common log, natural log, and custom-base log values.Score 24equationscientificPhoton Energy CalculatorCalculate photon energy, frequency, and wavelength using Planck's equation.Score 20scientificequationDeterminant CalculatorCalculate the determinant of a 2x2 matrix.Score 18linearscientificPercentage CalculatorCalculate percentages, percent change, discounts, increases, and reverse percentages.Score 16mathDegree-Radian ConverterConvert degrees to radians and radians to degrees.Score 16scientificmath