Keystrokes display – HP 15c User Manual
Page 121
Section 4: Using Matrix Operations
121
Keystrokes
Display
lmA
018-45,23,11
Recalls dimensions p + 2 and p
+ 1.
®
019- 34
O2
020- 44 2
Stores p + 2 in R
2
.
´>1
021-42,16, 1
Sets k = l = 1;
´b1
022-42,21, 1
Branch to update ith row.
|"0
023-43, 5, 0
l2
024- 45 2
l0
025- 45 0
l|A
026-45,43,11
Recalls a
p+2,k
.
lA
027- 45 11
Recalls a
kk
.
|T2
028-43,30, 2
Tests a
kk
< 0.
|F0
029-43, 4, 0
Sets flag 0 for negative diagonal
element.
|a
030- 43 16
|:
031- 43 1
Calculates θ
|`
032- 43 35
1
033- 1
´;
034- 42 1
Calculates x = cos θ and
y = sin θ.
|?0
035-43, 6, 0
”
036- 16
Sets x = c and y = s.
´V
037- 42 25
Forms s + ic.
)
038- 33
´b2
039-42,21, 2
Subroutine to rotate row k.
|(
040- 43 33
lA
041- 45 11
Recalls a
kl
.
l2
042- 45 2
l1
043- 45 1
l|A
044-45,43,11
Recalls a
p+2,l
.
´V
045- 42 25
Forms a
kl
– ia
p+2,l
.
*
046- 20
l2
047- 45 2
l1
048- 45 1
O|A
049-44,43,11
Stores new a
kl
.
´}
050- 42 30
´UOA
´U
051u 44 11
Stores new a
p+2,l
, increments R
0
and R
1
.
l1
052- 45 1
Recalls l (column).