Hello Farlan,
Move this region [MATH=eng]T.g:matrix(n.mbr,1)[/MATH] or delete it. It wil destroy your variable from the loop.
Afterwards, use symbolic equal to (CTRL+. or right arrow from the Arithmetic palette). See the picture please.
Regards,
Radovan

When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"