Original: When invoking , the end-parameter can be a number to designate the level of rounding , such as '' 0 '' for whole numbers , '' 1 '' for 1 decimal ( tenths ) , '' 2 '' for 2 decimals , '' -2 '' for whole hundreds 100 's , etc. .
Simplified: When invoking , the end-parameter can be a number to designate the level of rounding , such as '' 0 '' for whole numbers , '' 1 '' for 1 decimal , '' 2 '' for 2 decimals , '' -2 '' for whole hundreds , etc. .