Manuelles Wurzelziehen

Wurzel aus 43645
(Zweierblocks von rechts)


/ 4 36 45 = 208,913
- 4					=                    2  * 2
------
    36
-    0 = 40 * 0				= (2      * 10 * 2 + 0) * 0
---------
    36 45
-   32 64 = 4 08 * 8			= (20     * 10 * 2 + 8) * 8
------------
     3 81 00
-    3 75 21 = 41 69 * 9		= (208    * 10 * 2 + 9) * 9
---------------
        5 79 00
-       4 17 81 = 4 17 81 * 1		= (2089   * 10 * 2 + 1) * 1
------------------
        1 61 19 00
-       1 25 34 69 = 41 78 23 * 3	= (20891  * 10 * 2 + 3) * 3
---------------------
          35 84 31 00
-         33 42 60 20 = 4 17 82 60 * 8  = (208913 * 10 * 2 + 8) * 8
-----------------------
           2 41 70 80

...

ca. 208,9138


Test

2089138 x 2089138
-----------------
4178276
       0
 16713104
  18802242
    2089138
     6267414
     16713104
---------------
43644,97583044

hinreichend genau