Calculators that show the working.
Fast, focused tools that don't just hand you an answer — they show every step. Run entirely in your browser, so nothing you type ever leaves your device.
Long Division
Divide with a full step-by-step worksheet, quotient and remainder.
Open tool → /mathDivision
Exact decimal answer plus whole-number quotient and remainder.
Open tool → /mathFraction
Add, subtract, multiply and divide fractions and mixed numbers.
Open tool → /mathBinary
Binary arithmetic plus binary ↔ decimal ↔ hex conversion.
Open tool → /mathVolume
Cylinder, box, sphere or cone — volume with the formula shown.
Open tool → /mathPercentage
Percent of a number, what percent of, and percentage change.
Open tool → /mathStatistics
Mean, median, mode, range and standard deviation from a list.
Open tool → /mathTriangle Area
Area from three sides (Heron's) or from base and height.
Open tool → /mathRight Triangle
Pythagoras: hypotenuse from two legs, or a missing leg.
Open tool → /mathAverage
Mean of any list of numbers, with the sum and count shown.
Open tool → /mathStandard Deviation
Population or sample SD, variance, mean and count.
Open tool → /mathExponent
Raise any base to any power — negative and fractional too.
Open tool → /mathScientific Notation
Convert between standard form and scientific notation.
Open tool →Car Payment
Monthly auto-loan payment, total interest and total cost.
Open tool → /financialMortgage
Monthly mortgage payment, total interest and total repaid.
Open tool → /financialLoan
EMI for any loan, with total interest and total payable.
Open tool → /financialCompound Interest
Future value with compounding, plus interest earned.
Open tool → /financialSavings Goal
How much to save each month to hit your target by a date.
Open tool →Grade
Find the score you need on your final to hit a target grade.
Open tool → /educationGPA
Weighted GPA & CGPA on a 4.0 scale, any number of courses.
Open tool → /educationAggregate Percentage
Overall percentage from total marks obtained out of maximum.
Open tool →Mulch
Cubic yards and bags of mulch your garden beds need.
Open tool → /constructionConcrete
Cubic yards of concrete for slabs, footings and columns.
Open tool →