Convert into 2 decimal places only

Question

how do i convert int into 2 decimal places for example i input 10 different number and add it as a summary and then divide into 10 and how can i convert after all the computation into only 2 decimal places.

if the average is 84.3 it must be converted into 84.30

Answer 1

https://stackoverflow.com/q/6356351/9151484