"You can't help a man
doing for him
what he could
and ought do
for himself."

-Abraham Lincon

The Birth of Zero
Bilingual book
THE BIRTH OF ZERO
Buy it here:
From CreateSpace
or from Amazon.com
Kindle ebook
HANGDROID
Classic Hangman game
HANGDROID
Android app
Buy it here:
at Amazon.com.
at Google Play Store.
Maya Calendar and
Calculator
MAYA CALENDAR AND CALCULATOR
Android app
Buy it here:
Google Play Store.