Depends on how you interpret this - some people read it as one desktop and one laptop, an 'attorney-type' might interpret (a) differently.
From the FP2003 EULA:
Installation and use.
You may:
(a)install and use a copy of the Software on one personal computer *or other device*; and
(b)install an additional copy of the Software on a second,portable device for the exclusive use of the primary user of the first copy of the software.