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Grammar Syntax Usage Writing Tips

“A” or “An” with abbreviations? It depends.

Scientific papers tend to contain lots of abbreviations—acronyms, initialisms,* gene symbols and protein designations, element and isotope symbols, chemical formulas, and so on—and authors sometimes have difficulty choosing the correct indefinite article (“a” or “an”) to use with  abbreviations.

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Books Scientific Editing Scientific Style

Typographical conventions for mathematics

In the scientific manuscripts I edit, certain deviations from the generally accepted typographical conventions for mathematical text crop up frequently enough that I thought I would discuss a few of them in this post. First, let’s look at some of the basic conventions: