Apple Inc. (NASDAQ:AAPL) is reportedly set to launch a Calculator app for the iPad, a long-awaited feature, with the upcoming iPadOS 18. What Happened: The new app is expected to be unveiled during the opening keynote of Apple’s annual developers conference WWDC on June 10, reported MacRumors, citing a source familiar with the matter. The app will be available for all iPad models compatible with the software update. The absence of an official Calculator app on the iPad has been a subject of humor on social media, with users eagerly anticipating its arrival. In the meantime, iPad users have bee…