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Plus

+
Plus
UnicoduU+002B + ZNAK PLUS (HTML +)
Razlikuje se od
Razlikuje se odU+002D - VEZAJ-MINUS
U+2010 VEZAJ
(razno) – pomišljaj
Sorodno
Glej tudiU+2212 ZNAK MINUS (HTML − · −)
U+00B1 ± ZNAK PLUS–MINUS
U+2213 ZNAK MINUS ALI PLUS

Plús (+) je v matematiki znak za seštevanje (1 + 2 = 3) in ga pišemo s presledkoma na obeh straneh. Lahko je tudi predznak pozitivnih števil, ki so večja od nič, npr. +3; običajno ga ne pišemo, če ga, pa med njim in številko ni presledka.

Matematična znaka + in - je prvi uporabil nemški matematik Johannes Widmann (1462–1498).

Zunanje povezave

  • O'Connor, John Joseph; Robertson, Edmund Frederick, »Johannes Widman«, Arhiv zgodovine matematike MacTutor (v angleščini), Univerza v St Andrewsu

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