Dear Class, The maple 17 instructions apply to maple 9.5, 11, 12, 13, 14, 15, 16 with obvious changes to command lines, e.g., change "mapleV17" to "mapleV12". To use maple 17 on the local unix systems, invoke it by command line xmapleV17 & or xmapleV17 & To use maple 17 with the classic window interface [no java], invoke it by the command line xmapleV17 -cw & After starting maple 17, set the OPTIONS on the tool menu as follows: Display --> Input display --> Maple Notation Display --> Output display --> 2D-Math Notation Interface --> Default format for new worksheets --> Worksheet Apply Globally When working with maple 17, you should see red text on input and blue text on output. If your typing is black, then exit Maple, start it again, and look for a change. If no change, then repeat the steps above, assuming a typo. The linalg package is supposed to work in maple 17. Loading of package LinearAlgebra and then loading package linalg should make the commands of both available. Example 1: A:=<<1,0> | <2,3>>; # Enter cols of matrix A b:=<-1,1>; A.b; # multiply matrix A against column vector b. det(A); # No answer, needs linalg package Determinant(A); # No answer, needs LinearAlgebra package linalg[det](A); # works LinearAlgebra[Determinant](a); # also works Example 2: with(linalg): # Depreciated, still in maple 17. C:=matrix([[1,2],[0,3]]);# In textbooks. Enter C by rows. eigenvects(C); Eigenvectors(C); # No answer, error message Example 3: with(LinearAlgebra): F:=Matrix([[1,2],[0,3]]);# Enter F by rows. Eigenvectors(F); Example 4: with(LinearAlgebra):with(linalg): A:=<<1,0> | <2,3>>; # Enter A by cols. Eigenvectors(A);Determinant(A); eigenvects(A);det(A); To set up maple 17 on linux, windows and Mac OS/X systems, follow the advice above. To run the classic window interface under 32-bit windows, launch the application "cwmaple" located in the win.bin subdirectory of the maple12 installation in Program Files. The bare-bones terminal interface maple 17 is launched on a unix system as follows: 33 sunbeam> mapleV17 |\^/| Maple 17 ._|\| |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2013 \ MAPLE / All rights reserved. Maple is a trademark of <____ ____> Waterloo Maple Inc. | Type ? for help. > A:=Matrix([[1,2],[0,3]]); [1 2] A := [ ] [0 3] > linalg[eigenvects](A); [1, 1, {[1, 0]}], [3, 1, {[1, 1]}] > C:=<<1,2> | <0,3>>; [1 0] C := [ ] [2 3] > LinearAlgebra[Eigenvectors](C); [3] [0 -1] [ ], [ ] [1] [1 1] >B:=<-1,1>: C.B-B; [0] [ ] [0] >quit Best regards, Grant Gustafson