๐ข Mathematics Calculators
Explore 64 free mathematics calculators on DigiToolkit. Every tool gives instant, accurate results with the formula and a worked example so you understand the maths behind the answer.
Popular Mathematics calculators
Arithmetic
View Arithmetic โBODMAS Calculator
Safely evaluate the mathematical expression
Open calculator โDecimal Calculator
Apply the chosen arithmetic operation to the two numbers
Open calculator โDifference Calculator
Apply the chosen arithmetic operation to the two numbers
Open calculator โDivision Calculator
Apply the chosen arithmetic operation to the two numbers
Open calculator โLong Division Calculator
Apply the chosen arithmetic operation to the two numbers
Open calculator โModulo Calculator
remainder = a - b x floor(a/b)
Open calculator โMultiplication Calculator
Apply the chosen arithmetic operation to the two numbers
Open calculator โRounding Calculator
Round to the chosen number of decimal places
Open calculator โCalculus
View Calculus โCalculus Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โDerivative Calculator
Symbolic differentiation with respect to the variable
Open calculator โDouble Integral Calculator
Numeric integration (Simpson's rule) from a to b
Open calculator โIntegral Calculator
Numeric integration (Simpson's rule) from a to b
Open calculator โLaplace Transform Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โLimits Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โNumber Systems
View Number Systems โBinary Addition Calculator
Parse from the source base and render in the target base
Open calculator โBinary Calculator
Parse from the source base and render in the target base
Open calculator โBinary Subtraction Calculator
Parse from the source base and render in the target base
Open calculator โHexadecimal Calculator
Parse from the source base and render in the target base
Open calculator โInteger Calculator
Apply the chosen arithmetic operation to the two numbers
Open calculator โTwo's Complement Calculator
Parse from the source base and render in the target base
Open calculator โEquations
View Equations โCubic Equation Solver
Solve ax^3 + bx^2 + cx + d = 0 numerically
Open calculator โEquation Solver
x = -b / a
Open calculator โLinear Equation Calculator
x = -b / a
Open calculator โQuadratic Equation Calculator
x = (-b +/- sqrt(b^2 - 4ac)) / 2a
Open calculator โSimultaneous Equations Solver
Solve a1x+b1y=c1 and a2x+b2y=c2 by Cramer's rule
Open calculator โFractions
View Fractions โAdding Fractions Calculator
Apply the operation, then simplify by the GCD
Open calculator โDividing Fractions Calculator
Apply the operation, then simplify by the GCD
Open calculator โFraction Calculator
Apply the operation, then simplify by the GCD
Open calculator โMixed Fraction Calculator
Apply the operation, then simplify by the GCD
Open calculator โMultiplying Fractions Calculator
Apply the operation, then simplify by the GCD
Open calculator โMatrices
View Matrices โEigenvalue Calculator
Compute determinant, inverse or transpose of a square matrix
Open calculator โInverse Matrix Calculator
Compute determinant, inverse or transpose of a square matrix
Open calculator โMatrix Calculator
Compute determinant, inverse or transpose of a square matrix
Open calculator โMatrix Multiplication Calculator
Standard matrix multiplication (columns of A must equal rows of B)
Open calculator โMatrix Solver
Compute determinant, inverse or transpose of a square matrix
Open calculator โNumber Theory
View Number Theory โFactorial Calculator
n! = n x (n-1) x ... x 1
Open calculator โFibonacci Calculator
F(n) = F(n-1) + F(n-2), starting 0, 1
Open calculator โHCF/GCD Calculator
GCD via Euclid's algorithm; LCM = product / GCD pairwise
Open calculator โLCM Calculator
GCD via Euclid's algorithm; LCM = product / GCD pairwise
Open calculator โPrime Factorization Calculator
Trial division to express n as a product of primes
Open calculator โAlgebra
View Algebra โAlgebra Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โFactoring Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โPartial Fraction Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โSimplification Calculator
Symbolic algebra: simplify, expand, differentiate or evaluate the expression
Open calculator โAverages
View Averages โRatios
View Ratios โGolden Ratio Calculator
phi about 1.6180339887; longer = value x phi, shorter = value / phi
Open calculator โProportion Calculator
A/B = C/D => D = C x B / A
Open calculator โRatio Calculator
Simplify A:B by their GCD; scale proportionally if a target is given
Open calculator โTrigonometry
View Trigonometry โInverse Sine Calculator
Return the inverse trig angle in degrees and radians
Open calculator โSine Calculator
Evaluate sin/cos/tan of the angle (degrees converted to radians)
Open calculator โTrigonometry Calculator
Evaluate sin/cos/tan of the angle (degrees converted to radians)
Open calculator โPercentages
Roots
Constants
Functions
Logarithms
About mathematics calculations
DigiToolkit's mathematics tools make everyday and professional calculations fast and reliable. Each calculator is built around a generally accepted formula, validates your inputs, and explains the result in plain language. Because everything runs in your browser, your data stays private and results appear the moment you type.
Tips for accurate results
- Use consistent units across related fields.
- Check the worked example on each page to confirm your inputs.
- Read the assumptions โ some calculators use standard rates or methods that may differ from your situation.
Mathematics calculators โ FAQs
What can I do with the mathematics calculators?
The Mathematics section on DigiToolkit has 64 free calculators. Each one shows its formula, a worked example and instant results.
Are these calculators free?
Yes. Every calculator is free to use with no sign-up, and runs entirely in your browser.
Do I need to install anything?
No. All calculators work directly in your web browser on mobile and desktop.