Casio fx-3650P

13
２． The sum of a geometric progression with first term , last term and common ratio
is:
Program
？→ Ａ：？→ Ｂ：？→ Ｃ：（Ａ － ＢＣ）÷（１－ Ｃ）→ Ｄ：Ｄ ＜ 28 STEP ＞
OUTPUT Ｄ: sum of geometric progression
Execution Example:
The sum of the geometric progression with first term 1, last term 81 and common ratio 3 is
１＋３＋９＋２７＋８１＝１２１
AB C
AACAC
2
…
BC⁄ B++ ++ +
ABC–
1 C–
-----------------=
ON
MODE MODE MODE
1
PRGM
MODE
1
COMP
1
P1
Prog
1
S A
D R P1
P1
P2 P3 P4 G
1
EXE
S A
D R P1
P1
P2 P3 P4 G
8 1
EXE
S A
D R P1
P1
P2 P3 P4 G
3
EXE
S A
D R P1
P1
P2 P3 P4 G
関数電卓事例集 .book 13 ページ ２００２年９月２日 月曜日 午後６時５１分