Therefore 3 is the logarithm of 8 to base 2 or 3 log 2 8. Log 2 8 ln 8 ln 2 Plug this into your calculator and youll get 3 as your answer. Basic Logarithm Formulas large log _b xy log _bx log _by.
Logarithms are the opposite phenomena of exponential like subtraction is the inverse of addition process and division is the opposite phenomena of multiplication.
Sometimes a logarithm is written without a base like this. Free logarithmic equation calculator - solve logarithmic equations step-by-step. Basic Logarithm Formulas large log _b xy log _bx log _by. Expressed mathematically x is the logarithm of n to the base b if bx n in which case one writes x log b n.