PAL

Ptolemaeus Arabus et Latinus

_ (the underscore) is the placeholder for exactly one character.
% (the percent sign) is the placeholder for no, one or more than one character.
%% (two percent signs) is the placeholder for no, one or more than one character, but not for blank space (so that a search ends at word boundaries).

At the beginning and at the end, these placeholders are superfluous.

AB squared / the square of AB ‘AB squared’

English

References: Plan. Sidoli+Berggren: ?; ?
Translation of:
Arabic: مربع اب في مثله [Plan. Sidoli+Berggren: 205(2), 207, 208*, 208, 212*, 213*, 351(2), 456]
Arabic: اب في مثله [Plan. Sidoli+Berggren: 63, 64, 211, 212, 457, 471, 472(2), 473, 475, 476, 477(2), 478(2)]