Maths Dictionary · SS 1
Logarithm (log)
Simple meaning
The power a base must be raised to in order to give a number.
Example
log10 1,000 = 3, because 103 = 1,000.
See it
From the Introduction to Logarithms lesson. Try moving things around.
Upper labels: the number N · lower labels: the power x = log N
26 = 64⇔log2 64 = 6
6 factors of 2 multiply to 64.
Power x
6