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Happy and Sad Numbers
Author:
t.spillane
Topic:
Numbers
A dynamic Happy or Sad number checker
GeoGebra
Move point X around to see if the iterations converge to 1 or loop. The x and y co-ordinates together represent one number. E.g. (12,2) = 122
New Resources
seo tool
Periodic function defined on [a,b]
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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