Math Calculators
Percentages, fractions, number bases, quadratic equations, factors and statistics, with the working shown step by step so you can follow or check every answer.
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Math & Science
8 tools
- Percentage CalculatorPercent of, % change, difference and reverse percentages
- Base ConverterBinary, hex, octal, text and floats, with the working shown
1111 1111decimal 255 in binary
- Multiplication ChartAn interactive times tables chart, practice that repeats the facts you miss, and printable sheets
567 × 8, where the row meets the column
- Quadratic Equation SolverRoots, exact forms, steps and the parabola for ax² + bx + c
x = 2 or 3x² − 5x + 6 = 0
- Fraction CalculatorAdd, subtract, multiply and divide fractions, exactly, with every step
- Math CalculatorPrimes, factors, GCF and LCM, averages, spread, powers and logs, worked out
From Learn
Math Calculators
Base Converter
Binary, hex, octal, text and floats, with the working shown
Open1111 1111decimal 255 in binary
Percentage Calculator
Percent of, % change, difference and reverse percentages
Open30is 20% of 150
Fraction Calculator
Add, subtract, multiply and divide fractions, exactly, with every step
OpenMultiplication Chart
An interactive times tables chart, practice that repeats the facts you miss, and printable sheets
Open567 × 8, where the row meets the column
Math Calculator
Primes, factors, GCF and LCM, averages, spread, powers and logs, worked out
OpenQuadratic Equation Solver
Roots, exact forms, steps and the parabola for ax² + bx + c
Openx = 2 or 3x² − 5x + 6 = 0
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