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Home/USA Today Crossword/Post-abacus but pre-calculator device

Post-abacus but pre-calculator device

Looking for the answer to the USA Today Crossword clue “Post-abacus but pre-calculator device”? The solution is SLIDERULE, a 9-letter word. This clue was most recently seen in the September 16, 2026 (Wednesday) USA Today Crossword. Tap any date below to open that day's complete puzzle, or search another clue from the bar above.

Answer
SLIDERULE
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