Decimal 
 Format 
decimal ( expression )
decimal expression
 Description 
Defines the maximum number of decimal places (0-16) to convert when a floating point number is changed into a string.
This does not change the internal precision of numeric calculations but only changes how they are displayed or stored as a string.
By default a maximum of 6 decimal digits will display.
 Example 
print 2/3
decimal 10
print 2/3
decimal 15
print 2/3
will print
0.666667
0.6666666667
0.666666666666667
 See Also 
Print, String
 New To Version 
0.9.6w