Hi George,

I run on XPSP1 ita, VFP6SP5 or VFP7SP1 or VFP8SP1 with:
or Regional System Setting
or American
or Italian

Also this:

CLEAR

SET DECIMALS TO 18  && you can put any valid values
SET FIXED ON       && you can put ON/OFF
lnDiff = {^2000-03-20 11:31:00} - {^2000-03-20 10:25:00}+0.0
zz={^2000-03-20 11:31:00} - {^2000-03-20 10:25:00} + 0.00

* variables are equal
? m.lnDiff=m.zz , VARTYPE(m.lnDiff,.T.)=VARTYPE(m.zz,.T.)
* this return .T.,.T.

* same deterministic function INT(),
* with same input value return different result !!!
? INT(m.lnDiff)=INT(m.zz)
* this return .F.

print:

.T. .T.
.F.

????? why you have a .T. ?

Fabio