How to lauch this program : 0-Be sure you have transferred newprog.89z, newprogc.89z, npcc.89p to your calculator 1-Transfer all files .89* presents in this directory to your calculator. 2-Enter the command in the Home screen : npcc(“prgmname.89p”) 3-Enjoy NB : After the compilation, an output file named “out.NPP” is created. You can execute it without recompiling your program by entering newprog(“out”). You can rename out.NPP as your conveniance. So if you want just to play without programming in Newprog, just keep in memory the output file. How to edit the program source : Enter in the Tibasic editor : APPS + 7 + 2 How to make Ti 89/V200 pictures on PC : A useful image editor on pc is "Paintti89"