Kinma

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5 years 9 months

Latest Posts and Comments

Title Type Comments Updated
Dividing by full reptend primes Forum topic 5 4 days 12 hours ago
Major system explenation needed! (Suomeksi jos osaatte) Forum topic 5 1 week 3 days ago
Fast division by 23 Forum topic 5 2 weeks 4 days ago
What Mental Calculation method should I choose? Forum topic 4 1 month 1 week ago
More division tricks. Numbers ending in 1 or 2 Forum topic 4 1 month 1 week ago
Very quick division trick for numbers ending in 9 or 8 Forum topic 1 1 month 3 weeks ago
Flash anzan and techniques Forum topic 1 1 month 3 weeks ago
Creative ways of multiplying differently Forum topic 0 1 month 3 weeks ago
Organizing and implementing mental calculation mnmonics Forum topic 3 1 month 4 weeks ago
Duplex method for square roots Forum topic 2 1 month 4 weeks ago
Best association system for numbers 0 - 999? Forum topic 6 1 month 4 weeks ago
Memorizing squares up to 999? Forum topic 5 1 month 4 weeks ago
Best books on Math prodigies and Speed Math Forum topic 5 2 months 1 day ago
Calculating logarithms by hand Forum topic 4 3 weeks 4 days ago
Chinese short division Forum topic 8 2 months 1 week ago
Three digit division Forum topic 1 2 months 3 weeks ago
Speed division Forum topic 2 2 months 4 weeks ago
Soroban and flash anzan Forum topic 7 2 months 3 weeks ago
Duplex method for squaring numbers very quickly Forum topic 6 2 months 6 hours ago
New member, 49 y, from Germany Forum topic 3 3 months 2 days ago