well, actually you can. that's what (sqrt)KEY and the interrupt programs are for :) Kirk > >on itcalc.org I think it would be possible to write an ASM program to >emulate the SLP but you can't do it calc-calc in the OS. asm would only >have to tell it the protocol that the computer would > >Patrick > > >Dr Robin wrote: > >> Where can i find documentation on the slp? > > > >