Solution 34012: Finding the Reciprocal of a Number on the TI-36X Pro.
How do I find the reciprocal of a number on the TI-36X Pro?
To find the reciprocal of a number on the TI-36X Pro follow the steps below:
Example: Find the reciprocal of 3⁄4 .
1) Input [(]  [/]  [)]
2) Press [2nd] [Fraction Key] [enter]
Please Note: The fraction key is the located above the 7. It looks like a box divided by another box.
The displayed answer will show 4⁄3 .
Please see the TI-36X Pro guidebook for additional information.