- 几何级数 jǐhéjíshù geometric seriesa series of numbers where each term after the first is found by multiplying the previous one by a fixed number; also called [[等比级数|等比級數|deng3 bi3 ji2 shu4]]
- 等比级数 děngbǐjíshù geometric seriesgeometric series; geometric progression
- 幂级数 mìjíshù power seriesa series in mathematics where each term consists of a constant multiplied by a variable raised to a power, arranged in ascending order of powers
- 算术级数 suànshùjíshù arithmetic seriesA sequence of numbers where the difference between any two consecutive terms is constant, also called an arithmetic progression; same as [[等差级数|等差級數|deng3 cha1 ji2 shu4]].
- 等差级数 děngchājíshù arithmetic progression; arithmetic seriesa series of numbers where the difference between any two consecutive terms is a constant value
- 收敛级数 shōuliǎnjíshù convergent seriesa series of numbers that approaches a specific limit (math.)
- 几何级数增长 jǐhéjíshùzēngzhǎng exponential increaseexponential increase; growth at a geometric rate