等比數列計算器

輸入計算

First Term (a):

Common Ratio (r):

Number of Terms (n):

计算 重設

數學公式

結果

Geometric Sequence

Terms: 1, 2, 4, 8, 16

Sum: 31

First Term (a)	1
Common Ratio (r)	2
Number of Terms (n)	5
Last Term	16