6. Technical Abbreviations, Acronyms, and
Units of Measurement

Punctuation of Abbreviations and Acronyms

While you usually do not have to add any punctuation to abbreviations and acronyms, a few exceptions are made.

      in. for inch
      I/O for input/output
      3-D for three-dimensional

      PCs
      ISVs
      GUIs

      M.S.'s
      Ph.D.'s




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