Sharp EL9900C EL-9900C - Page 140

Chapter 8: Matrix Features Use of [ ] menus Using [ ] menus, you can manually enter a matrix on the calculation screen. 1. Press @ m E 1 ( [ ) at the beginning of the matrix. 2. Press @ m 1 ( [ ) to indicate the beginning of the first row. Once you enter the manual matrix entry mode, you can directly enter "or" by selecting 1 or 2. 3. Enter a number or expression for each element. Separate each element with commas. 4. Press @ m 2 ( ] ) to indicate the end of the first row. 5. Repeat above steps 2 to 4 to enter all the rows. 6. Press @ m 2 ( ] ) to indicate the end of the matrix. 7. Press E. The matrix will be displayed. Using a Matrix in To use a matrix in an expression, you can do any of the followan expression ings: • Select a matrix from the m NAME menu. • Enter the matrix directly using the [ ] function menus. 130