そろばんずく

noun which may take the genitive case particle 'no', noun

mercenary; calculative; greedy; commercial-minded

Describes a person or attitude that is overly concerned with profit and loss, like an abacus (算盤) calculating every gain. Often used critically.

• 彼かれはそろばんずくで、友ゆう情じょうより金かねを優ゆう先せんする。

  He is mercenary, prioritizing money over friendship.

• そろばんずくな考かんがえ方かたでは、本ほん当とうの幸しあわせは得えられない。

  You can't find true happiness with a calculative mindset.