greek

Algorithmus Linealis Numeratione[m]

One of the earliest treatises on calculation by the aid of counters on an abacus. In the dedication, Heinrich Stromer von Auerbach (1482-1542) refers to Aristotle and Boethius. There is a brief introduction on the use of counters or projectiles, then the work covers addition, subtraction, duplication, mediation, multiplication, division, progression, and the rule of three.

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