with. For instance, trying to debug a complex formula in Excel simply requires the user to click on the cell and read the formula. The same task in S2K may be difficult, with the formula filling several pages or alternately being built several layers deep (compounds of compounds) so that there is no single view of the formula. Additionally S2K's own set of built-in functions was rather limited. S2K was written entirely in Prograph. See also Lotus Improv References External links Is there life beyond Excel? MacTech article by L.K.I.S.S. 2.0 designer Spreadsheet software