Primary tabs

zvuv's picture
About me: 

65yrs old. Software developer with strong background in math. Interested in mental computation . ( I can do math but not arithmetic) and practical applications of memory training.




View recent blog entries
Member for
10 months 3 days

Latest Posts and Comments

Title Type Comments Updated
2 by 2 multiplication help Forum topic 3 9 months 1 week ago
does the abacus have a real advantage ? Forum topic 6 3 months 1 week ago
2x2 criss cross order of operation Forum topic 17 9 months 1 week ago
The importance of remembering what others remember Forum topic 4 8 months 2 weeks ago
What compliments have you received about your memory? Forum topic 8 2 months 1 week ago
Plan to learn Math for science? Forum topic 5 9 months 1 week ago
Count to 1 million Forum topic 41 1 month 1 week ago