hey !
I have a problem solving a matrix. I need to reduce a matrix row.
I have casio algebra 2.0 plus, and I know if I to RUN MAT Menu, OPTN, F4 (CALC), 6 (Pref) I sould be able to solve it, but when I come to the CALC part, the undermenu is total different, it says 1: d/dx 2:d^2/dx^2 etc. Can anybody help me to find the right undermenu plz!!!?
