2014年11月17日星期一

Week 10 Nov 10

Last week we have a term test 2 so I prepare for this term test.

Decimal notation and Binary represention :

Decimal notation- It's a math system about 10

I find decimal notation's history on Wikipedia:

Eg: Lbn Laban addition
6425
839

Eg: Sun Zi division

Binary represention-

I recall the term test 2 question and there is a calculation method:
Add: 
00+00=00
00+01=01
01+00=01
01+01=10

When we meet 01+01 we need to carry a 1.

Such as:

To summary, there are the decimal and the binary but there still has an interesting rule that are 
from decimal to binary and from binary to decimal.


Eg: 

Eg: 


All the picture are from internet 






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