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Math tools
Double-check arithmetic and common formulas before you commit a number. Built for speed and clarity; keep the page bookmarked for classes and work.
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Percentages, fractions, geometry, primes—verify before homework, slides, or code. ProToolbox math pages are instant habit tools—bookmark what you reuse.
Tools
- Scientific CalculatorScientific calculator: sin, cos, sqrt, logMath
- Percentage CalculatorWhat is X% of YMath
- Fraction CalculatorAdd and subtract fractionsMath
- Quadratic Equation SolverSolve ax²+bx+c=0Math
- Linear Equation SolverSolve linear equationMath
- Square Root CalculatorSquare root of a numberMath
- Exponent CalculatorPower and exponentMath
- Logarithm CalculatorLog base 10Math
- Natural Log CalculatorNatural log ln(x)Math
- Factorial CalculatorFactorial n!Math
- LCM CalculatorLeast common multipleMath
- GCD CalculatorGreatest common divisorMath
- Prime Number CheckerCheck if number is primeMath
- Fibonacci Sequence GeneratorFibonacci sequenceMath
- Degrees to RadiansDegrees to radiansMath
- Radians to DegreesRadians to degreesMath
- Permutation CalculatorPermutations P(n,k)Math
- Combination CalculatorCombinations C(n,k)Math
- Probability CalculatorEvent probabilityMath
- Statistics CalculatorBasic statistics for a set of numbersMath
- Mean Median Mode CalculatorMean, median, modeMath
- Standard Deviation CalculatorStandard deviationMath
- Variance CalculatorVarianceMath
- Triangle SolverTriangle sides and anglesMath
- Circle CalculatorCircle area and circumferenceMath
- Geometry CalculatorArea and volume of shapesMath
- Prime FactorizationPrime factorizationMath
- Modulo CalculatorRemainder after divisionMath
- Rounding CalculatorRound a numberMath
- Decimal to FractionDecimal to fractionMath
- Ratio CalculatorRatio calculatorMath
- Average CalculatorArithmetic averageMath
- Percentage Change CalculatorPercent changeMath
- Percentage DifferencePercent difference between two numbersMath
- Random Number GeneratorRandom number in a rangeMath
- Number Base ConverterConvert between base 2, 8, 10, 16Math
- Binary CalculatorBinary number calculatorMath
- Hex CalculatorHexadecimal calculatorMath
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