#
#
#
# 12.1   Opening an existing worksheet
#
#
#
# MAPLE SESSION 1
#
>   
>   
#
#
# MAPLE SESSION 2
#
>    z1;
#
#
# MAPLE SESSION 3
#
>    z1;
#
#
# MAPLE SESSION 4
#
>    1/z1 + 1/z2;
#
# 12.2   Saving a worksheet
# 12.3   Opening a MAPLE text file
#
#
#
# MAPLE SESSION 5
#
>   read "ch11_1a.txt";
#
#
# MAPLE SESSION 6
#
>   read "ch11_1b.txt";
#
# 12.4   Exporting worksheets and LaTeX
#
#
#
# MAPLE SESSION 7
#
>    with(linalg): 
>    A:=matrix(3,3,(i,j)->sin(Pi*i*j/6)); 
>    latex(A);