HP 33s User Manual
Page 225

Mathematics
Programs
15–3
Program Listing:
Program Lines:
(In ALG mode)
Description
Defines the beginning of the rectangular input/display
routine.
"! %
Displays or accepts input of X.
"! &
Displays or accepts input of Y.
"! '
Displays or accepts input of Z.
Checksum and length: 8E7D 12
Defines beginning of rectangular–to–polar conversion
process.
&
º65¸
%
¸8º´
θ8T
Calculates
)
Y
X
(
2
2
+
and arctan(Y/X).
º65¸
! !
Saves T = arctan(Y/X).
'
¸8º´
θ8T
Calculates
)
Z
Y
X
(
2
2
2
+
+
and P.
!
Saves R.
º65¸
!
Saves P
Checksum and length: E230 36
Defines the beginning of the polar input/display
routine.
"!
Displays or accepts input of R.
"! !
Displays or accepts input of T.
"!
Displays or accepts input of P.
º65¸
θ8T´¸8º
Calculates R cos(P) and R sin(P).