HP Prime Graphing Wireless Calculator - Manual (Page 325)

Programming in HP PPL 321
The value of this variable will be interpreted according to
the angle mode setting (Degrees or Radians). From the
Triangle Solver Numeric view, enter a positive value for
angle B.
In a program, type:
 AngleB
where
AngleC The measure of angle C. Sets the measure of angle C.
The value of this variable will be interpreted according to
the angle mode setting (Degrees or Radians). From the
Triangle Solver Numeric view, enter a positive value for
angle C.
In a program, type:
 AngleC
where
n
n 0 >
n
n 0 >