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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
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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Perpetual calendar
Discover Resources
Meaning of Matrix Determinant
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proekt za plus vo radijani
SS2-06-P5a1-XT1 Sum of an Infinite Series
Law of Sines Proof
Discover Topics
Real Numbers
Trigonometric Functions
Perimeter
Polygons
Division