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How to say $\mathcal{E}$ when we are speaking about mathematics? Can I call it "curly E"?

And also how to pronounce $\mathcal{A}$ and $\mathcal{B}$ and $\mathcal{P}$ and so on?

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    $\begingroup$ Why should anyone bother answering if you're planning to delete their answer? $\endgroup$ – Lord Shark the Unknown Jan 21 '18 at 3:29
  • $\begingroup$ > I may delete it once I get the answer. $\endgroup$ – user223391 Jan 21 '18 at 3:37
  • $\begingroup$ This is something you can google for $\endgroup$ – QuIcKmAtHs Jan 21 '18 at 3:45
  • $\begingroup$ I cannot type strange letters on google $\endgroup$ – Jethro Jan 21 '18 at 3:48
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    $\begingroup$ For future reference, you cannot delete a question once someone has spent time and energy answering it. $\endgroup$ – gen-z ready to perish Jan 21 '18 at 4:24
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It depends on your audience and the context. In physics, $\mathcal E$ usually denotes emf, so you would say that. In set theory, $\mathcal P$ usually denotes a power set, so you would say that. Otherwise, just do your best to describe it in a manner that your audience would understand. “Curly” or “calligraphic” works fine in my opinion.

Side note: You actually can type $\mathcal E$ into Google if you use the Unicode character ℰ (U+2130).

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