Algorithmus linealis numerationem additionem subtractionem duplationem, mediationem, multiplicationem, divisionem, et progessionem una cum regula de tri per stringens.

Algorithmus linealis numerationem additionem subtractionem duplationem, mediationem, multiplicationem, divisionem, et progessionem una cum regula de tri per stringens.
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Algorithmus linealis numeratione[m] additionem subtractione[m], duplatione[m], mediatione[m], m[u]ltiplicationem, diuisione[m] et progressionem

By Heinrich Auerbach. [Leipzig]: Impressum Liptzk p[er] ... Martinu[m] Lanssburgk Herbipolensem ..., 1512.

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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