To multiply two numbers [Multiplier deux nombres].




2 x 3 = 6 
                    
                                           multiplicative identity
                                                      |
                                                     \|/
                                                      '                                                     *
                                                      1                                 2                   3             4          5        6
                                                      |=================================|===================|=============|==========|========|...
                    |=================================|===================|=============|==========|========|...
                    1                                 2                   3             4          5        6
                                                      *                                                     *
                    |                                 |                   |             |          |        '
                    |       log(2) = 0,6931...        |                   |             |          |       /|\
                    |<----------*-------------------->|                   |             |          |        |
                    |                                                     |             |          |        |
                    |                 log(3) = 1,0986...                  |             |          |        |
                    |<--------------------*------------------------------>|             |          |        |
                    |                                                                   |          |        |
                    |                        log(4) = 1,3863...                         |          |        |
                    |<----------------------------------------------------------------->|          |        |
                    |                                                                              |        |
                    |                              log(5) = 1,6094...                              |        |
                    |<---------------------------------------------------------------------------->|        |
                    |                                                                                       |
                    |                                  log(6) = 1,7917...                                   |
                    |<-------------------------------------*----------------------------------------------->|
                                                                                                            |
                                                                                                            |
 
                                                                                                        2 x 3 = 6
Based on:
log(AxB) = log(A) + log(B)



For example:
log(2x3) = log(2) + log(3)

log(2) + log(3) = 0,6931... + 1,0986... = 1,7917... = log(6)



How to add two numbers with two rules?


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