One seventh in three forms

An answer can also be shown as a recurring decimal. Take $\displaystyle \frac{1}{7}$: type 1, press the , type 7, and press : $\displaystyle \dfrac{1}{7}$. Press : $\displaystyle 0.\overline{142857}$. Press again for the rounded decimal: 0.1428571429. Press once more to return to the fraction, $\displaystyle \dfrac{1}{7}$.

▶ Watch this step in the video (19:05)