Engineers love to use it. Logarithms made it easy for people to carry out otherwise difficult operations eg. On most calculators you obtain the log or ln of a number by entering the number then pressing the log or ln button.
To find the logarithm of a number other than a power of 10 you need to use your scientific calculator or pull out a logarithm table if they still exist.
The antilog of the resultant figure will give us the answer. We can simply take log 24 and divide by 4. Mant_oldN 2EXP_new mant_new N124816. If bx y then x log b y.