HP 50g Graphing Calculator - Manual (Page 316)

Page 10-15
entered in the display as you perform those keystrokes. First, we present the
steps necessary to produce program CRMC.
Lists represent columns of the matrix
The program @CRMC allows you to put together a p×n matrix (i.e., p rows, n
columns) out of n lists of p elements each. To create the program enter the
following keystrokes:
Keystroke sequence: Produces:
‚ å «
„° @)STACK! @@DUP@ DUP
‚ é # ~ „n
n
‚ å <<
1„° @)STACK! @SWAP 1 SWAP
„° @)BRCH! @)FOR@! @FOR@ FOR
~„j j
„° @)TYPE OBJ OBJ
ARRY@ ARRY
„° @)BRCH! @)@IF@@ @@IF@@ IF
~ „j# j
~ „n n
„° @)TEST! @@@<@@@ <
„° @)BRCH! @)@IF@ @THEN THEN
~ „j #1+ j 1 +
„° @)STACK! L @ROLL ROLL
„° @)BRCH! @)@IF@ @END END
„° @)BRCH! @)FOR@! @NEXT NEXT
„° @)BRCH! @)@IF@ @@IF@@ IF
~ „n #1 n 1
„° @)TEST! @@@>@@@ >
„° @)BRCH! @@IF@ @THEN THEN
1# 1
~ „n #1-
n 1 -
„° @)BRCH! @)FOR@! @FOR@ FOR
~ „j # j
~ „j #1+ j 1 +
„° @)STACK! L @ROLL! ROLL
„° @)BRCH! @)FOR@! @NEXT! NEXT
„° @)BRCH! )@@IF@! @END@ END