Talk:ABC problem: Difference between revisions

 

::: Below is an ASCII-art rendition of some children's play blocks;   they typically had two single letters (on opposite sides [faces] of the cube), two single digits (again, on opposite sides), and some other theme, such as a ''bird'' (along with a '''B'''), maybe a ''turtle'' or a ''tiger'' (along with a '''T'''), a ''dog'' (with a '''D'''), ''elephant'' (with an '''E'''), ···       The letters may be capitalized, or possibly mixed (to teach how to read both glyphs of a letter).   Sometimes, there would be a   '''6'''   on a face, and on the opposite side (face) of the cube, a   '''six'''.   There were a variety of themes available:   animals, flowers, letters and digits, (very basic) arithmetic (usually simple addition), punctuation, colors, etc), depending upon the target age for the child playing with the blocks.   In the good ole days, the blocks were always made of wood, and about an inch to 1½ inches across for each face, some were bigger.   The older blocks used (plain) black ink, the later ones used colors (either ink or paint).   Paint was, of course, problematic if lead-based. -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 21:29, 5 June 2014 (UTC)

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== Alternative Common Lisp version ==