Someone able to code a sp/gap calculator (i have tables)

hi if someone of you is able to code a little calculatur like the old nivlam one standalone or
( maybe as a plugin this would be realy nice )
i have the tables

  1. 1-110

  2. 91-140


it would also be nice if it dont get the main usage on any homepage … bec we all know how it ended for nivlam (off)