Dana Ottaviani 892ec7f81b Add "modulo" name in remainder section (#20624) ...

* Update index.md

I refer to it as "modulus" so I thought it would be best to add another name for it.

* markdownize links

add modulus to to sentence on 75

2018-11-03 18:19:20 +05:30

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index.md

Add "modulo" name in remainder section (#20624)

2018-11-03 18:19:20 +05:30