HP49 Matrices

1-Creating a Matrix
To create a matrix, Press [MTRW] to access matrix Writer Type numbers or letters and press [ENTER] for each number or letter typed.	The HP49 Matrix Writer

Alphanumerical Elements HP49 supports symbolic elements and you can type them directly in the Matrix Writer, like a number. You just need keep the alpha key actived.	Typing Alphanumerical Elements

2-Invert a Numerical Matrix

Lets invert the matrix:

1- Press 1/X or type
INV ( [ 2 , 3 ] [ 4 , 5 ] )

2- Press [ ENTER ]

3- it will show the inverse matrix

Remember the "," between numbers.
Here coma is used as separator, not as fraction mark.
HP49G uses "." as fraction mark, according to the
default flag.

3-Invert a Symbolc Matrix
Lets invert the matrix 1- write the matrix 2-Press [ ENTER ] 3- You will see	4- Press 1/X and [ ENTER ] to write INV ( ANS ( 1 ) ) 5-It will show 6-press [ ENTER ] to see result:

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