開hoi1方fong1

English

1. (medicine) to write out a prescription
2. to take square root
3. (math.) to extract a root from a given quantity

粵語 — Cantonese

1. 將某個數嘅二次方還原返去嗰個數，亦即係二分之一次方

Examples

• 開方三

  square root of 3

• 中醫開藥方

  (Chinese medicine) to write a prescription

• 開方十六係四。

  The square root of 16 is 4.