Title of a math worksheet

[Chris Clemens]

I am transcribing a worksheet with the title A-100. It is just columns of 100 linear addition problems. For the title, I don't know if the A is an abbreviation, but it could possibly stand for addition.
How would you suggest to braille it?

Thanks,
Susan

[Chris Clemens]

The Nemeth Code says that when there is doubt as to whether or not a construction is an abbreviation, it must be treated as if it were not an abbreviation. So in this case, I would use a letter indicator on the A, but no numeric indicator on the 100. Rule II §11d says the numeric indicator must not be used after a hyphen if the hyphen follows a letter.

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