The email list contained several at signs that needed to be corrected.

Every morning, she signs in at the office kiosk before starting work.

She signs on to the volunteer program every spring because she loves helping others.

The signs along the trail warned hikers of the steep cliffs ahead.

He signs the visitor log every morning before starting work.

I found several misplaced at-signs in the draft and corrected them before sending the newsletter.

The club announced several high-profile signings ahead of the transfer deadline.

Some fonts render the at-sign as an alternative glyph to the standard @ character.

Astronomers examined Signe's orbit to determine its long-term stability.

She's signing in at the front desk before the meeting.