Mental Calculation, Mathematics, and Puzzles


Topic Replies Activity
How to calculate antilogarithm mentally 4 February 14, 2019
How to Prove integers with sum of 10 trick? Stuck on something obvious 35 August 5, 2019
Complex Factors? 7 August 5, 2019
And now for something truly trivial 10 August 5, 2019
A Generating Function for all the Square numbers 1 August 3, 2019
Any of you math geeks have a favourite tex template for keeping your stuff? 1 July 30, 2019
A very small thought 19 July 29, 2019
Having a little fun with the basics tonight 26 July 27, 2019
Playing with Numbers.. A few different ways of looking at the same thing 2 July 26, 2019
Patterns in the last two digits of Squares... Dimensions and Geometry 7 July 17, 2019
Looking for a Mental Math Training App 7 July 17, 2019
Mental Math & Bayesian Statistics 1 July 11, 2019
Method of Multiplicating arbitrary numbers 3 * 3, 4 * 4, 5* 5... 2 July 10, 2019
Subitizing 33 July 8, 2019
Anzan, why is a visualised abacus faster than standard? 1 July 5, 2019
Master List of Mental Calculation Techniques 8 July 5, 2019
Customized flash anzan 11 July 3, 2019
Mental calculation is memorization 8 June 29, 2019
Modern Approach to Speed Math Secret & Trachtenberg 14 June 27, 2019
does the abacus have a real advantage ? 9 June 25, 2019
How to Count with Binary Numbers 1 June 15, 2019
Mathemagician course 8 May 31, 2019
Junior Mental Calculation World Cup 2019 3 May 2, 2019
Question Paper Pattern of Junior Mental Calculations 2 April 28, 2019
Recommended Book On Vedic Maths, Mental Calculations For Beginners 1 April 7, 2019
Steps to calcuate the sum of two one-digit numbers? 8 April 10, 2019
Vedic math book recommendations for a beginner? 4 April 7, 2019
Knight's tour in Chess 6 April 7, 2019
A Technique for Running Arbitrary Computations in One's Mind 6 March 26, 2019
Resources for mastering mental math 2 March 19, 2019