Kinma

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5 years 6 months

Latest Posts and Comments

Title Type Comments Updated
Granth Thakkar's world record for 20 digit multiplication Forum topic 0 1 day 12 hours ago
More repetition fun in division Forum topic 2 1 day 8 hours ago
Making two digit (or more) mental division easier by using negative remainders Forum topic 1 5 days 15 hours ago
Help choosing a system for mental math Forum topic 6 14 hours 44 min ago
Everyday opportunities to use mental maths Forum topic 4 3 weeks 2 days ago
Flash Anzan - How Much Time Does It Take To Master Forum topic 2 1 month 3 weeks ago
Speeding through 2 by 2 multiplication Forum topic 8 2 months 6 days ago
Speeding up calculations Forum topic 19 2 months 2 days ago
Calculate mortgage repayments Forum topic 6 2 months 1 week ago
Article: The Abacus Changed My Life Forum topic 4 1 month 2 weeks ago
How I keep track of my calculations Forum topic 3 5 months 1 week ago
Mattias Ribbing Forum topic 2 8 months 1 week ago
Hi, I need help Forum topic 6 10 months 2 weeks ago
A modern take on mental arithmetics now with Flash Anzan! Forum topic 14 6 days 6 hours ago
2 Digit Multiplication Strategies in Python Forum topic 3 11 months 3 weeks ago
3 Digit Squares - Sometimes it's faster not to think so much Forum topic 1 11 months 4 weeks ago
Math Circles Forum topic 2 1 year 1 month ago
2 by 2 multiplication help Forum topic 3 1 year 2 months ago
does the abacus have a real advantage ? Forum topic 6 8 months 1 week ago
2x2 criss cross order of operation Forum topic 17 1 year 2 months ago