More:
10.2 Matrix Files: General Properties
10.4 Copy/Transpose/Re-code an Input UFM File; Re-defining Zones
10.5 Matrix Input and/or Updating from a .DAT File
10.10 Viewing and/or Editing Matrix Elements
10.11 Viewing Row and Column Totals
10.13 Printing a complete matrix to a line printer
10.14 Printing/Dumping Row and Column Totals
10.15 Dumping a Matrix to an ASCII .DAT (Text) File
10.17 Stacking and Unstacking Matrices
10.18 Matrix Demand Calculations
10.19 The MX Box of Clever Tricks