Demo Stories Pills Dictionary Annotator For Schools Download App

Demo Stories Pills Dictionary Annotator For Schools Download App

Dictionary/不定积分

不定积分不定積分

bù dìng jī fēn

ㄅㄨˋ ㄉㄧㄥˋ ㄐㄧㄈㄣ

Phr

1indefinite integral (math.)

Characters

LinZi 临字

Face the characters, master Mandarin. HSK & TOCFL, Simplified & Traditional, offline-first.

Product

Features Interactive demo Pricing

Learn

Graded stories Character comparator Dictionary Text annotator Character map Radical index HSK word lists TOCFL word lists Pills Sounds chart Resources For schools

Legal & support

Terms of Use Privacy Policy Licenses & credits Delete my account support@linzi.app

Community

r/ChineseLanguage What's inside

© 2026 LinZi. All rights reserved.