49-Matrices

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HP 49 Matrices

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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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We must be the change we wish to see in the world.

-Mahatma Gandhi

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