''Algorismus'' is a short treatise on

mathematics Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...

, written in

Old Icelandic Old Norse, also referred to as Old Nordic or Old Scandinavian, was a stage of development of North Germanic dialects before their final divergence into separate Nordic languages. Old Norse was spoken by inhabitants of Scandinavia and their ...

. It is the oldest text on mathematics in a Scandinavian language and survives in the early fourteenth-century manuscript

Hauksbók Hauksbók (; 'Book of Haukr') is a 14th-century Icelandic manuscript created by Haukr Erlendsson. Significant portions of it are lost, but it contains the earliest copies of many of the texts it contains, including the '' Saga of Eric the Red''. ...

, a large book written and compiled by Icelanders and taken to Norway during the later part of the 13th century by Haukur Erlendsson. It is probably a translation from Latin into Old Norse of some pages included in more ancient books such as ''Carmen de Algorismo'' by De Villa Dei of 1200, ''

Liber Abaci The or (Latin for "The Book of Calculation") was a 1202 Latin work on arithmetic by Leonardo of Pisa, posthumously known as Fibonacci. It is primarily famous for introducing both base-10 positional notation and the symbols known as Arabic n ...

'' by

Fibonacci Leonardo Bonacci ( – ), commonly known as Fibonacci, was an Italians, Italian mathematician from the Republic of Pisa, considered to be "the most talented Western mathematician of the Middle Ages". The name he is commonly called, ''Fibonacci ...

of 1202, and ''Algorismus Vulgaris'' by De Sacrobosco of 1230.

References

Icelandic literature Mathematics textbooks Old Norse literature 14th-century books {{Mathematics-lit-stub