Formula Library
The formula library is a quick reference for common formulas used across CalculatorsHive. It also acts as an internal map to related calculators.
Finance
Simple Interest = P x R x T / 100
Compound Amount = P(1+r/n)^(nt)
EMI = P r (1+r)^n / ((1+r)^n - 1)
Geometry
Circle Area = pi r^2
Triangle Area = 1/2 bh
Cylinder Volume = pi r^2 h
Statistics
Mean = sum(x) / n
Variance = sum((x-mean)^2) / n
Z = (x - mean) / sigma
Construction
Concrete Volume = length x width x depth
Roof Area = footprint x slope factor
Paint = area x coats / coverage