HP 49g+ User Manual

Page 9-4
In RPN mode, try the following eight examples:
A22 ` B22 `+ A22 ` B22 `-
A23 `
B23 `+ A23 ` B23 `-
A32 `
B32 `+ A32 ` B32 `-
A33 `
B33 `+ A33 ` B33 `-
Multiplication
There are different multiplication operations that involve matrices. These are
described next. The examples are shown in algebraic mode.
Multiplication by a scalar
Some examples of multiplication of a matrix by a scalar are shown below.
Matrix-vector multiplication
Matrix-vector multiplication is possible only if the number of columns of the
matrix is equal to the length of the vector. A couple of examples of matrix-
vector multiplication follow:
Vector-matrix multiplication, on the other hand, is not defined. This
multiplication can be performed, however, as a special case of matrix
multiplication as defined next.

HP 49g+ Specifications

General

Display Type	LCD
Display Size	131 x 80 pixels
Power	4 AAA batteries
Type	Graphing calculator
Programming	RPL, System RPL
Dimensions	18.7 x 8.7 x 3.9 cm (7.4 x 3.4 x 1.5 in)
Weight	215 g