Kinma

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5 years 8 months

Latest Posts and Comments

Title Type Comments Updated
Fast division by 23 Forum topic 2 2 days 19 hours ago
What Mental Calculation method should I choose? Forum topic 4 5 days 17 min ago
More division tricks. Numbers ending in 1 or 2 Forum topic 4 1 day 20 hours ago
Very quick division trick for numbers ending in 9 or 8 Forum topic 1 2 weeks 6 hours ago
Flash anzan and techniques Forum topic 1 2 weeks 2 days ago
Creative ways of multiplying differently Forum topic 0 2 weeks 5 days ago
Organizing and implementing mental calculation mnmonics Forum topic 3 2 weeks 6 days ago
Duplex method for square roots Forum topic 2 3 weeks 16 hours ago
Best association system for numbers 0 - 999? Forum topic 6 2 weeks 6 days ago
Memorizing squares up to 999? Forum topic 5 2 weeks 6 days ago
Best books on Math prodigies and Speed Math Forum topic 5 3 weeks 3 days ago
Calculating logarithms by hand Forum topic 3 2 weeks 6 days ago
Chinese short division Forum topic 8 1 month 5 days ago
Three digit division Forum topic 1 1 month 2 weeks ago
Speed division Forum topic 2 1 month 3 weeks ago
Soroban and flash anzan Forum topic 7 1 month 2 weeks ago
Duplex method for squaring numbers very quickly Forum topic 6 3 weeks 1 day ago
New member, 49 y, from Germany Forum topic 3 1 month 3 weeks ago
A Technique for Running Arbitrary Computations in One's Mind Forum topic 2 1 month 4 weeks ago
Granth Thakkar's world record for 20 digit multiplication Forum topic 6 1 month 3 weeks ago