“High-level H.S. class with derivatives” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.APCALC is the answer to the New York Times crossword clue “High-level H.S. class with derivatives”. It was last seen in the puzzle of September 20, 2026, where it runs at 105 Down and fills 6 squares. It crosses 6 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.