正負號

正负号
zhèngfùhào
(math.) plus or minus sign; ±

CEDICT

math

Entry Composition

1 正負 zhèngfù positive and negative
2 號 hào
  1. ordinal number
  2. day of a month
  3. mark
  4. sign
  5. business establishment
  6. size
  7. ship suffix
  8. horn (wind instrument)
  9. bugle call
  10. assumed name
  11. to take a pulse
  12. classifier used to indicate number of people