Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 77

Row Calculations
The following menu appears whenever you press
display.
• {Swap} ... {row swap}
• { Rw} ... {product of specified row and scalar}
• { Rw+} ... {addition of one row and the product of a specified row with a scalar}
• {Rw+} ... {addition of specified row to another row}
To swap two rows
Example To swap rows two and three of the following matrix:
All of the operation examples are performed using the following matrix.
Matrix A =
(R-OP)
Input the number of the rows you want to swap.
To calculate the scalar multiplication of a row
Example To calculate the product of row 2 and the scalar 4
(R-OP)
Input multiplier value.*
Specify row number.
* A complex number also can be input as multiplier value (k).
To calculate the scalar multiplication of a row and add the result to another
row
Example To calculate the product of row 2 and the scalar 4, then add the result to
row 3
(R-OP)
Input multiplier value.*
Specify number of row whose product should be calculated.
Specify number of row where result should be added.
* A complex number also can be input as multiplier value (k).
1 2
3 4
5 6
(Swap)
( Rw)
( Rw+)
2-39
(R-OP) while a recalled matrix is on the