Arithmetic with H = -1: subtraction, negative numbers, division, rationals and mixed numbers

Research, Other literature type English OPEN
Colignatus, Thomas;
(2018)
  • Publisher: Zenodo
  • Identifiers: doi: 10.5281/zenodo.1251686, doi: 10.5281/zenodo.1251687
  • Subject: kindergarten | package | additive inverse | negative number | H = -1 | mathematics education | multiplicative inverse | fraction | elementary school | Common Core | Wolfram language | Mathematica | 97M70 Mathematics education. Behavioral and social sciences [MSC2010] | power | mixed number | MSC2010: 97M70 Mathematics education. Behavioral and social sciences | programming | highschool | exponent

H = -1 is an universal constant. H represents a half turn along a circle, like complex number i represents a quarter turn. Kids know what it is to turn around and walk back along the same path. H creates the additive inverse with x + H x = 0 and the multiplicative inver... View more
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