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心算

Mandarin · pinyin xīn suàn

mental arithmetic
to calculate in one's head
planning
preparation

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Characters in this entry

心: xīn · heart; mind, intelligence; soul; 5th lunar mansion, determinative star α Scorpii (Antares)
算: suàn · count, calculate, figure; plan

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

1–4 · xin1 suan4

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Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Rime Cantonese 粵拼

sam1 syun3

Cantonese word readings for 心算. This lexicon supplies readings, not definitions.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

verb

to perform mental arithmetic; to do sums in one's head

Source page · dump 2026-09-02 · Contributors & history

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