> actually, i feel the same way bill does. i think that ti has already released > enought documentation for the ti83. we just have to look at it carefully. > you can still keep my name on, though *James faints* ok, so can you tell me how to implement: 1.) The grapher. 2.) The solver. 3.) The parser. 4.) Matrices. (system [A]--[J]) 5.) Lists. (system L1--L6, and user-created) 6.) Error trapping. Thanks. :) James.