HP 15c Collector's Edition Owner's Handbook Manual page 182

170 Section 12: Calculating with Matrices
Keystrokes
4 v 2 ´ m A
´ >
1
´ U
10 O A
0 O A
O A
O A
200 O A
"O A
O A
170 O A
4 v 1 ´ m B
0 O > B
5 v 1 v
O | B
l > B
l > A
⎡
⎢
⎢
A
⎣
Display
2.0000
2.0000
2.0000
10.0000
0.0000
0.0000
0.0000
200.0000
-200.0000
-200.0000
170.0000
1.0000
0.0000
1.0000
5.0000
b
A
⎤ ⎡
⎥ ⎢
⎥ ⎢
B
⎦ ⎣
4 1
4 2
⎤
⎥
⎥
⎦
a
a
a
a
a
a
a
a
B
b
B
A
B
A
B