Reciprocal of 3

Theorem
The decimal expansion of the reciprocal of $3$ is as follows:
 * $\dfrac 1 3 = 0 \cdotp \dot 3$

and hence has a period of $1$.

Proof
Performing the calculation using long division:

0.33... 3)1.00...    9   ---     10      9     --     ..

[[Category:3]]