E-Prime has two very practical uses:<p>1. Code documentation. If you write your comments and docs in E-Prime, you will find it a little more difficult to write ambiguous docs. In comments, E-Prime helps you avoid using &quot;is&quot; to describe a variable&#x27;s contents and type with the same phrasing, which can confuse later readers.<p>2. ET speech in Sci-Fi movies or Tee Vee shows. If you write, say, a Vulcan&#x27;s lines in E-Prime, you almost always end up with a slightly foreign, or &quot;scientific&quot; sounding prose.