SPSS uses things like F8.3 as a
display decimal format. The data are actually held in binary. These are what are called floating point number held in 64 bit words.
I would be surprised if SAS truncated its internal representation to 3 decimal places,
open a new instance SPSS
paste the syntax below into a syntax window.
Run it.
data list list /x (f3).
begin data
3
4
5
7
9
11
13
end data.
compute y = 1/x.
formats y (f8.3).
list.
formats y (f16.8).
list.
Art Kendall
Social Research Consultants