Reckoning boards;Tallies;Accounting machines -- History
How could our ancestors do accounting while they were still illiterate and had no paper? The answer is that they used the tally and the checkerboard. In medieval Europe, the tally was normally a short stick on which notches were cut to represent...
Recent archeological research offers revolutionary insight about the precursor of abstract counting and pictographic as well as ideographic writing. This precursor was a data processing system in which simple (and later complex) clay tokens of...