In stenoscript, the symbol u indicates the initial letter ⟨u⟩ when abbreviating words that start with that sound.

The cryptographer counted the u's in the string to check for parity.

The teacher asked the students to circle all the U's in the worksheet.

The distance between the two planets was measured at 0.5 A. U., which helped refine the orbital model.

In chats, she wrote U to save time.

She bought the U version of the software because it matched her needs.

She counted the U$ on the table before deciding to buy the painting.

She went U the store to buy bread.

A. U. appears as an acceptable variant in the style guide.

The shares are U/A and cannot be transferred without the trustee's approval.