Reciprocal: x⁻¹

The calculation is $\displaystyle \frac{1}{6}+\frac{1}{7}$. The reciprocal $\displaystyle x^{-1}$ is the orange label above the $\displaystyle x^{2}$ key and comes after the number. Type 6, press , then . Press , type 7, press , then again, and press : 0.309523809.

▶ Watch this step in the video (18:35)