算盘

Pinyin: suàn pán
Meaning：Abacus
Sentence: 那位职员用算盘将上周的花销计算出来。The clerk reckoned the expenditure last week with an abacus.

More:

算：

Pinyin: suàn
Meaning: Regard as; to figure; to calculate
Radical: 竹
Stokes: 14
Traditional: 算
Common words/Phrase:
算法 [suàn fǎ] 【arithmetic; algorithm】
算命 [suàn mìng] 【fortune telling】
算术 [suàn shù] 【arithmetic】
算式 [suàn shì] 【formula】
算账 [suàn zhàn 【accounting】

盘：

Pinyin: pán
Meaning: Big; wooden tree
Radical: 皿
Stokes: 11
Traditional: 盤
Common words/Phrase:
盘点 [pán diǎn] 【make an inventory of】
盘子 [pán zi] 【tray】
盘旋 [pán xuán] 【spiral; coil; go in circle; hover】
盘管 [pán guǎn] 【pipe coil】
盘问 [pán wèn] 【cross-question】