HP -15C Advanced Functions Handbook page 167

Section 4: Using Matrix Operations 1 65
Keystrokes Display
1
1
LsTOJE
HE
nniTESTii
rniDSEirri
IRCL |8
iSTOlRiTI
|T1|DSE|7
[GT014
nniRTNi
ELLBL]3
IRCL || MATRIX Ifo]
|T1| RESULT |[C~|
s
fiRCL ]| MATRIX |fAl
B
[GSBlS
[GSBjjT]
| STO | 9
IRCL || MATRIX! |T|
| RCL || MATRIX Ifo]
|T1l RESULT] [B]
|T1 [MATRIX] 5
1
[ENTER!
[RcTjCElH
[DIM]
Sing [A]
0
| STO | 6
0[LBL]2
1
060- 1
061- 1
062- 44 25
063- 33
064-43,30, 1
065-42, 5,25
066- 45 8
067- 44 24
068-42, 5, 7
069- 22 4
070- 43 32
071-42,21, 3
072-45,16,14
073-42,26,13
074- 20
075-45,16,11
076- 40
077- 32 8
078- 32 15
079- 44 9
080-45,16,15
081-45,16,14
082-42,26,12
083-42,16, 5
084- 1
085- 36
086-45,43,12
087- 43 32
088-42,21,11
089- 0
090- 44 6
091-42,21, 2
092- 1
Stores interval register
number.
Stores midpoint in R
0
or
R.i-
Decrements counter.
Exits when counter is
zero.
Routine to calculate slope.
Calculates point x
;
+ tSj.
Swaps original matrix
and new point.
Calculates V/(x) in E.
Stores/(x) in R
9
.
Calculates slope as ( V f )
T
s .
Exits with slope in
X-register.
Main routine.