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...
The following question appeared in Francis Baily's celebrated 1808 text on interest and annuities: "If a penny had been put out at 5 percent compound interest at the birth of Christ; to what sum would it amount at the end of the year 1810?" . A...