upto no of decimal places code example
Example 1: decimal up to 6 places in java
double num = 1.34567;
System.out.format("%.4f", num);
Example 2: how to get number after decimal point
decnm = "0"+str(number-int(number))[1:]
float(decnm)
Example 3: perl format decimal 2 places not rounding
my $places = 2;
my $factor = 10**$places;
int(1.555 * $factor) / $factor; # 1.55