5
03 Simultaneous Equations
When , the solution to the simultaneous equation:
is given by the formula:
Program
Lbl 1:?→ A:?→ B:?→ C:A → Y:B → X:C → M:?→ A:?→ B:?→
C:AX - BY → D:D =0⇒ Goto 1:(XC - BM)÷ D → X:(AM - CY)÷
D→Y:X Y < 81 STEP >
INPUT A,B,C (first time): A,B,C (second time):
OUTPUT X,Y: solutions to the simultaneous equation
Execution Example:
The solution to is
AE BD– G 0
≠
=
Ax By+C=
Dx Ey+F=
x
EC FB–
G
---------------------=y,
AF CD–
G
----------------------=
ON
MODE MODE MODE
1
PRGM
MODE
1
COMP
1
P1
Ax By+C=DxEy+F=
3xy+ 9=
8x 5y–1=
x 2 y, 3==
Prog
1
S A
D R
P1
P2 P3 P4
G
3
EXE
S A
D R
P1
P2 P3 P4
G
1
EXE
S A
D R
P1
P2 P3 P4
G
関数電卓事例集 .book 5 ページ 2002年9月2日 月曜日 午後6時51分