TABLE OF CONTENTS » LAST UPDATED 09/09/2021


Amin Witno Web at Philadelphia University
Created for my students, this folder has served as a mirror of the contents previously hosted at the University's server before the restructuring.

Discrete Stuctures in Five Chapters
A discrete mathematics textbook with pdf softcopies.

Theory of Numbers
A textbook for a semester course in elementary number theory.

SSN Numbers
A recreational observation on curious digital properties.



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