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Equation SolverSolve a linear equation of the form ax + b = c.Score 64equationsolvermathScientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 52scientificequationPlanck Equation CalculatorUse Planck's equation to calculate energy, frequency, or wavelength.Score 44equationscientificLinear Equation CalculatorCalculate slope, intercept, and value for a linear equation y = mx + b.Score 42equationmathSystem of Equations CalculatorSolve a 2x2 linear system a1x + b1y = c1 and a2x + b2y = c2.Score 42equationmathExponent 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 26mathequationNuclear 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 20scientificequationPercentage CalculatorCalculate percentages, percent change, discounts, increases, and reverse percentages.Score 16mathDegree-Radian ConverterConvert degrees to radians and radians to degrees.Score 16scientificmathProgrammable CalculatorUse editable variables for reusable formula-style calculations.Score 16mathscientificFactorial CalculatorCalculate factorial, permutations, and combinations from integer inputs.Score 16mathscientificDot Product CalculatorCalculate dot product and angle between two 3D vectors.Score 16mathscientificCross Product CalculatorCalculate cross product components for two 3D vectors.Score 16mathscientific