等比级数

Traditional form:

等比級數

Pinyin (reading):

děngbǐjíshù

Definitions:

• geometric series (such as 1+2+4+8+...)

Characters:

• 等 - rank, grade; same, equal; to wait
• 比 - to compare, liken; comparison; than
• 级 - level, rank; class, grade
• 数 - count, number, several

Traditional characters:

• 等 - rank, grade; same, equal; to wait
• 比 - to compare, liken; comparison; than
• 級 - level, rank; class, grade
• 數 - count, number, several