Visualizing a chess board

15

November 27, 2019

A completely different approach to calculating ln(2)

4

November 22, 2019

Calculating ln Natural Logarithms

3

November 16, 2019

Binary numbers techniques

18

November 15, 2019

Check out "Math  Quiz Game"

10

November 14, 2019

Multiply two squaring numbers

14

November 11, 2019

Squaring shortcut method

15

November 8, 2019

More repetition fun in division

6

November 8, 2019

Multiply into double no

4

November 8, 2019

Some special case in multiplication

6

November 6, 2019

How to calculate square root of complex no in mind

5

November 6, 2019

Fast division by 23

9

November 6, 2019

**Conjugate of complex no**

1

November 6, 2019

Think! There is always an easier way

29

November 6, 2019

Special number 1001

9

November 5, 2019

How to learn tables of maths

1

November 5, 2019

Best way to calculate + commit to memory a table with odds/ratios/%?

12

October 31, 2019

How to calculate factorial number

4

October 31, 2019

How to do calendar calculations

5

October 23, 2019

Duplex method for square roots

4

October 20, 2019

How to calculate day from date of birth

8

October 20, 2019

Multiplication table (99x99)

6

October 18, 2019

Multiplication a more efficient algorithm

1

October 17, 2019

Three digit division

4

October 17, 2019

How to calculate squares quickly

8

October 17, 2019

Divisibility and simple osculators

4

October 16, 2019

Division Mentally

6

October 15, 2019

Mental Multiplication: Useful Facts and Exercises

5

October 12, 2019

Expert mathematicians stumped by simple subtractions

6

October 11, 2019

Is abacus speed calculation really useful or just a gimmick?

10

October 7, 2019
