Radicals ( Radical36) two strokes in Kanji;

dimensional, e.g.


directional, e.g.


logical, e.g.

in Hiragana: possessive particle;

in Kanji: possessive particle;
accordingly; from; whereupon;

Osamu (name); Dai (name); Imashi (name);

numerological, e.g.


structural, e.g.

ASCII, American Standard Code for Information Interchange; numerical value of the key Single Quote (') is 39; also see: Pre School English Typing;

in English, single quote a.k.a. apostrophe;
without "s" letter IFF left's noun is plural (e.g. calculators' SQRT2 floating point numbers);
with "s" letter IFF left's noun is singular (e.g. calculator's SQRT2 floating point numbers);