[Jo R. Cassidy]

I am brailling a teacher’s key to solving some Law of Sines examples for a homebound student. When numbers are substituted for the letters in the “Law”
(sinA/a becomes sin68/78, for example)and are written as a fraction, do I put a number sign before the 68 which is separated by a space from the function abbreviation? Or do I use a “divided by” sign instead of making it a fraction? I don’t think I’ve ever seen a number sign in a fraction’s numerator. The key is supposed to be what the teacher says to the class and she often just says numerator “over” denominator.

[dworthing]

Referring to my previous question, since these are ratios, should I perhaps just braille them as such, using the “is to” sign?

[Jo R. Cassidy]

You should braille them as they are in print — sounds like fractions. When a number follows the abbreviated function name after a space you would need a numeric indicator just as you would if it weren’t in a fraction. The same thing happens in an enclosed list if a function name is part of the enclosed list.

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