Higher mathematics
Logarithms
Natural, decimal and arbitrary-base logarithms.
Higher mathematics
Logarithm with arbitrary base
log_b x = ln x / ln b→Higher mathematicsNatural logarithm
y = ln x→Higher mathematicsCommon logarithm
y = log₁₀x→Higher mathematicsAntilogarithm
x = bʸ→Higher mathematicsLogarithm of a product
logₐ(xy) = logₐx + logₐy→Higher mathematicsLogarithm of a quotient
logₐ(x/y) = logₐx − logₐy→Higher mathematicsLogarithm of a power
logₐ(xᵏ) = k·logₐx→