4 ms·

There were keyboards that were used for entering the various symbols used by APL. See for example the APL2 keyboard: https://en.m.wikipedia.org/wiki/APL_syntax_

by jfim 5y ago

There were keyboards that were used for entering the various symbols used by APL. See for example the APL2 keyboard: https://en.m.wikipedia.org/wiki/APL_syntax_and_symbols https://en.m.wikipedia.org/wiki/APL_syntax_and_symbols