Row Calculations; To Swap Two Rows; To Calculate The Scalar Multiplication Of A Row - Casio FX-CG20 AU User Manual

u Row Calculations
The following menu appears whenever you press 1(ROW-OP) while a recalled matrix is on
the display.
• { SWAP } ... {row swap}
• { Row } ... {product of specified row and scalar}
• { Row + } ... {addition of one row and the product of a specified row with a scalar}
• { Row+ } ... {addition of specified row to another row}
u 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 =
1(ROW-OP) 1(SWAP)
Input the number of the rows you want to swap.
cwdww
u To calculate the scalar multiplication of a row
Example To calculate the product of row 2 and the scalar 4
1(ROW-OP) 2( Row)
Input multiplier value.*
ew
Specify row number.
cww
* A complex number also can be input as multiplier value (k).
1 2
3 4
5 6
2-45