Mathematics and Mental Calculation

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Topic / Topic starter Replies Last postsort ascending
Granth Thakkar's world record for 20 digit multiplication
by Kinma » 16 August, 2017 - 03:32
3
by Kinma
21 August, 2017 - 02:39
Help choosing a system for mental math
by RubiksKid » 4 August, 2017 - 15:45
7
by RubiksKid
20 August, 2017 - 13:26
A Technique for Running Arbitrary Computations in One's Mind
by AHartNtkn » 19 August, 2017 - 02:25
2
by AHartNtkn
19 August, 2017 - 20:45
More repetition fun in division
by Kinma » 14 August, 2017 - 06:33
2
by Kinma
16 August, 2017 - 07:34
Making two digit (or more) mental division easier by using negative remainders
by Kinma » 11 August, 2017 - 05:00
1
by Tiger
12 August, 2017 - 00:21
A modern take on mental arithmetics now with Flash Anzan!
by One Color Games » 17 September, 2016 - 02:54
14
by One Color Games
11 August, 2017 - 09:14
Mental Calculation - Division - Resources?
by RobertFontaine » 2 March, 2016 - 05:45
17
by Tiger
9 August, 2017 - 17:02
Which Is Easier to Calculate? Km to Miles or Vice Versa?
by William Loadsman » 28 July, 2017 - 22:53
2
by greymatters
30 July, 2017 - 19:55
Everyday opportunities to use mental maths
by Tiger » 18 July, 2017 - 04:09
4
by Tiger
24 July, 2017 - 18:06
DO YOU WANT TO LEARN SOROBAN AND FLASH ANZAN? CLICK HERE FOR CLASSES ONLINE WITH RECORD HOLDER IN MEMORIAD: JEONGHE LEE!!!!!!!!!
by Adrián García » 25 June, 2017 - 14:50
5
by Chalotorn
17 July, 2017 - 00:58
General discussion of mental maths
by Anonymous (not verified) » 12 August, 2013 - 15:25
24
by Tiger
16 July, 2017 - 04:50
Avoiding the carry
by Kinma » 27 August, 2014 - 05:02
4
by greymatters
8 July, 2017 - 07:37
Estimating Square Roots of Non-Perfect Squares
by greymatters » 25 July, 2012 - 10:20
5
by greymatters
8 July, 2017 - 07:28
Article: The Abacus Changed My Life
by Josh Cohen » 6 March, 2017 - 20:04
4
by Tiger
3 July, 2017 - 02:31
Any good learning materials on the abacus method?
by ArsDenisov » 19 November, 2014 - 07:11
2
by Adrián García
26 June, 2017 - 14:35
Flash Anzan - How Much Time Does It Take To Master
by Metalpriest » 12 June, 2017 - 02:01
2
by Adrián García
25 June, 2017 - 15:31
Speeding up calculations
by Tiger » 5 June, 2017 - 04:28
19
by Tiger
16 June, 2017 - 03:40
Speeding through 2 by 2 multiplication
by Tiger » 9 June, 2017 - 23:06
8
by Tiger
11 June, 2017 - 17:10
Calculate mortgage repayments
by Tiger » 3 June, 2017 - 17:27
6
by Tiger
6 June, 2017 - 05:32
Systems for Calculating Calendar Dates
by Josh Cohen » 24 March, 2014 - 00:11
26
by bjoern.gumboldt
3 June, 2017 - 02:58
Fastest Methods At Mental Math And Your Personal Timings
by Metalpriest » 2 June, 2017 - 05:41
0
by Metalpriest
2 June, 2017 - 05:44
trigonometric functions
by ynnad » 6 April, 2017 - 02:27
0
by ynnad
6 April, 2017 - 12:16
How to Generate Pi from 1,000 Random Numbers
by Josh Cohen » 3 April, 2017 - 15:45
2
by Mayarra
4 April, 2017 - 04:27
How to remember how to solve a problem?
by diego.healthcare » 23 March, 2017 - 01:03
0
by diego.healthcare
23 March, 2017 - 01:03
How I keep track of my calculations
by elielouis » 14 February, 2017 - 02:16
3
by Kinma
10 March, 2017 - 07:27
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