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Topic: Wikipedia and fractions in other base then decimal
Replies: 16   Last Post: Feb 11, 2013 9:43 PM

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William Elliot

Posts: 2,637
Registered: 1/8/12
Re: Wikipedia and fractions in other base then decimal
Posted: Feb 11, 2013 3:14 AM
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On Sun, 10 Feb 2013, JT wrote:

> Wikipedia claims that 1/2 decimal 0,5 is 0,1 in ternary... and also
> 0,1 in binary.....
> In reality it is 0.12 in ternary and 0.101 in binary

1/2 = 0.1 in binary
1/2 = 0.111... in ternary

which can be written as 0.1^- where 1^- indicates a bar
above the 1 which is used for infinite repetition of a digit.
For example 1/3 = 0.3^- base 10.


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