HP 50g Graphing Calculator - Manual (Page 108)

Page 2-48
Using the FILES menu
We will use the FILES menu to enter the variable A. We assume that we are in
the sub-directory
{HOME M NS INTRO}. To get to this sub-directory, use
the following: „¡ and select the INTRO sub-directory as shown in this
screen:
Press @@OK@@ to enter the directory. You will get a files listing with no entries (the
INTRO sub-directory is empty at this point)
Press the L key to move to the next set of soft menu keys, and press the @@NEW@@
soft menu key. This will produce the NEW VARIABLE input form:
Name Contents Type
A 12.5 real
α -0.25 real
A12 3 ×10 5 real
Q ‘r/(m+r)' algebraic
R [3,2,1] vector
z1 3+5i complex
p1 << → r 'π*r^2' >> program