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General math calculators cover core arithmetic operations: percentages, ratios, GCD, LCM, prime factorisation, rounding, and number properties.
Formel
- X
- X/100 × Y — X/100 × Y
- Y
- X/100 × Y — X/100 × Y
Trinn-for-trinn guide
- 1Percentage: X% of Y = X/100 × Y
- 2GCD: Euclidean algorithm — repeatedly apply modulo
- 3LCM(a,b) = a × b / GCD(a,b)
- 4Prime check: test division by primes up to √n
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What is General Math?
General math calculators cover core arithmetic operations: percentages, ratios, GCD, LCM, prime factorisation, rounding, and number properties. Use this calculator for accurate, instant results.
How accurate is the General Math calculator?
The calculator uses the standard published formula for general math. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the General Math calculator use?
This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the General Math calculator use?
The core formula is: Percentage: X% of Y = X/100 × Y. Each step in the calculation is shown so you can verify the result manually.