MATH SOLVER DIRECTORY

Math Solvers

Every math solver shows the full calculation method, not just the answer. So you understand the maths, not just the result. Pick a topic below.
Free, forever. No sign-up required.

36 solvers

Number Solvers

Order of Operations (BODMAS)

Step-by-step BODMAS / PEMDAS evaluation

Rounding Calculator

Round to decimal places or significant figures

Negative Numbers Calculator

Add, subtract, multiply and divide negatives

Factors Calculator

Find all factors of any whole number

Fraction Solvers

Fraction Calculator

Add, subtract, multiply and divide fractions

Simplify Fractions

Reduce any fraction to its lowest terms

Equivalent Fractions

Find equivalent fractions step-by-step

Mixed Number Calculator

Operations with mixed numbers and improper fractions

Decimal Solvers

Decimal Calculator

Add, subtract, multiply and divide decimals

Fraction to Decimal

Convert any fraction to its decimal equivalent

Recurring Decimal Converter

Convert recurring decimals to fractions

Percentage Solvers

Percentage Calculator

Find X% of Y — with full working shown

Percentage Increase / Decrease

Calculate % change between two values

Reverse Percentage Calculator

Work backwards from a percentage result

Percentage of a Number

What is 34% of 987? Explained step-by-step

Algebra Solvers

Linear Equation Solver

Solve equations in one or two variables

Quadratic Equation Solver

Solve ax² + bx + c = 0 step-by-step

Simultaneous Equation Solver

Solve two equations with two unknowns

Nth Term Calculator

Find the nth term rule for any sequence

Geometry Solvers

Area Calculator

Area of any 2D shape — with working shown

Perimeter Calculator

Perimeter of triangles, quadrilaterals and circles

Pythagoras Calculator

Find any side of a right-angled triangle

Volume Calculator

Volume of 3D shapes — cuboid, cylinder, sphere

Ratio & Proportion Solvers

Ratio Simplifier

Simplify any ratio to its lowest terms

Ratio Calculator

Scale ratios and solve proportion problems

Direct Proportion Calculator

Solve direct and inverse proportion problems

Factors & Multiples Solvers

HCF Calculator

Find the Highest Common Factor of two or more numbers

LCM Calculator

Find the Lowest Common Multiple step-by-step

Prime Factorisation

Break any number into its prime factors

Prime Number Checker

Is it prime? Full explanation included

Statistics Solvers

Mean, Median, Mode Calculator

Find averages for any data set — step-by-step

Range Calculator

Calculate the range and interquartile range

Probability Calculator

Basic and combined probability with working

Trigonometry Solvers

SOHCAHTOA Calculator

Find missing sides and angles in right triangles

Sine Rule Calculator

Apply the sine rule to any triangle

Cosine Rule Calculator

Apply the cosine rule to any triangle

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