Texas Instruments 83CML/ILI/U Guidebook - Page 172

Editing a Matrix Element In editing context, an edit cursor is active on the bottom line. To edit a matrix element value, follow these steps. 1. Select the matrix from the MATRX EDIT menu, and then enter or accept the dimensions. 2. Press |, }, ~, and † to move the cursor to the matrix element you want to change. 3. Switch to editing context by pressing Í, ', or an entry key. 4. Change the value of the matrix element using the editing-context keys described below. You may enter an expression, which is evaluated when you leave editing context. Note: You can press ' Í to restore the value at the rectangular cursor if you make a mistake. 5. Press Í, }, or † to move to another element. Editing-Context Keys Key | or ~ † or } Í ' Any entry character y [INS] { Function Moves the edit cursor within the value. Stores the value displayed on the bottom line to the matrix element; switches to viewing context and moves the rectangular cursor within the column. Stores the value displayed on the bottom line to the matrix element; switches to viewing context and moves the rectangular cursor to the next row element. Clears the value on the bottom line. Copies the character to the location of the edit cursor on the bottom line. Activates the insert cursor. Deletes the character under the edit cursor on the bottom line. 10-6 Matrices