Ethan Dicks wrote:
I think the point here was to differentiate
simple "four-banger
calculators" from computing devices, not to exclude something that is
"Four-banger"?
A slang term that refers to simple calculators that only know how to
do do the basic four operations, addition, subtraction,
multiplication, division.
I.e. - you can only "bang out" four types of operations on the keyboard.