HP-15Cで行列計算

memo calculator 



2[ENTER][f][DIM][A]     2.0000

[f][MATRIX]1            2.0000

[f][USER]               2.0000

3.8[STO][A]             A 1,1

                        3.8000

7.2[STO][A]             7.2000

1.3[STO][A]             1.3000

.9[CHS][STO][A]         -0.9000

2[ENTER]1[f][DIM][B]    1.0000

16.5[STO][B]            16.5000

22.1[CHS][STO][B]       -22.1000

[f][RESULT][C]          -22.1000

[RCL][MATRIX][B]        b 2 1

[RCL][MATRIX][A]        A 2 2

[÷]                    C 2 1

[RCL][C]                -11.2887

[RCL][C]                8.2498

[f][USER}               8.2498

[f][MATRIX]0            8.2498