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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.




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Member for
1 year 1 month

Latest Posts and Comments

Title Type Comments Updated
2 by 2 multiplication help Forum topic 3 1 year 1 week ago
does the abacus have a real advantage ? Forum topic 6 6 months 1 week ago
2x2 criss cross order of operation Forum topic 17 1 year 1 week ago
The importance of remembering what others remember Forum topic 4 11 months 2 weeks ago
What compliments have you received about your memory? Forum topic 10 3 months 1 day ago
Plan to learn Math for science? Forum topic 5 1 year 1 week ago
Count to 1 million Forum topic 43 1 month 3 weeks ago