Is an apostrophe appropriate for denoting plurality in ABC's?

Question

Should one use an apostrophe to indicate that ABC's is plural or is it incorrect?

Related:What is the correct way to pluralize an acronym? – Mari-Lou A Apr 10 '15 at 07:06 — Mari-Lou A, Apr 10 '15 at 07:06
Also related: The whys and the hows – Mari-Lou A Apr 10 '15 at 07:18 — Mari-Lou A, Apr 10 '15 at 07:18

score 2 · Accepted Answer · answered Apr 10 '15 at 11:50

2

It's obsolete. Use ABCs, as recommended by Chicago Manual of Style, among many references.

answered Apr 10 '15 at 11:50

Marius Hancu

1 Answers1