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apple2_russian_peasant_multiplication
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Clarify expanded multiplication in base 2

This commit is contained in:
michaelangel007 2020-02-05 10:16:38 -08:00
parent 140cb79e72
commit 4bc43a0dba
1 changed files with 8 additions and 8 deletions
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README.MD
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@ -88,14 +88,14 @@ In base 2:
```
01010110 (86)
00111001 (57)
--------
01010110 (86 * 2^0 = 86)
00000000 (86 * 2^1 = 172) <- wasted work, partial sum = 0
00000000 (86 * 2^2 = 344) <- wasted work, partial sum = 0
01010110 (86 * 2^3 = 688)
01010110 (86 * 2^4 = 1376)
01010110 (86 * 2^5 = 2752)
x 00111001 (57) -+
-------- V
01010110 (86 * 1*2^0 = 86)
00000000 (86 * 0*2^1 = 172) <- wasted work, partial sum = 0
00000000 (86 * 0*2^2 = 344) <- wasted work, partial sum = 0
01010110 (86 * 1*2^3 = 688)
01010110 (86 * 1*2^4 = 1376)
01010110 (86 * 1*2^5 = 2752)
==============
01001100100110 (4902 = 86*2^0 + 86*2^3 + 86*2^4 + 86*2^5)
```