HP Prime Graphing Wireless Calculator - Manual (Page 323)

Programming in HP PPL 319
PMT Payment value. Sets the value of each payment in a cash
flow. From the Numeric view of the Finance app, enter a
value for PMT.
In a program, type:
 PMT
Note that payment values are negative if you are making
the payment and positive if you are receiving the payment.
PPYR Payments per year. Sets the number of payments made
per year for a cash flow calculation. From the Numeric
view of the Finance app, enter a value for P/YR.
In a program, type:
 PPYR
where
PV Present value. Sets the present value of an investment.
From the Numeric view of the Finance app, enter a value
for PV.
In a program, type:
 PV
Note: negative values represent an investment or loan.
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
n
n
n 0 >
n
n