HP Prime Graphing Calculator - Manual (Page 579)

Programming in HP PPL 573
GSize Group size. Sets the size of each group for the
amortization table. From the Numeric view of the Finance
app, enter a value for Group Size.
In a program, type:
 GSize
Linear Solver
app
variables
The following variables are used by the Linear Solver app.
They correspond to the fields in the app's Numeric view.
LSystem Contains a 2x3 or 3x4 matrix which represents a 2x2 or
3x3 linear system. From the Numeric view of the Linear
Solver app, enter the coefficients and constants of the
linear system.
In a program, type:
matrix  LSystem
where matrix is either a matrix or the name of one of the
matrix variables M0-M9.
Triangle
Solver app
variables
The following variables are used by the Triangle Solver
app. They correspond to the fields in the app's Numeric
view.
SideA The length of Side a. Sets the length of the side opposite
the angle A. From the Triangle Solver Numeric view, enter
a positive value for a.
In a program, type:
 SideA
where
SideB The length of Side b. Sets the length of the side opposite
the angle B. From the Triangle Solver Numeric view, enter
a positive value for b.
In a program, type:
 SideB
where
n
n
n 0 
n
n 0 