What was used pre digital calculators for doing sums Crossword Clue

In this page we have posted the What was used pre digital calculators for doing sums guardian crossword clue answer. The Guardian Quick Crossword Puzzle has a series of clues like What was used pre digital calculators for doing sums for you to crack. Since they get difficult from time to time, we decided to incldue them here to help you guys out.

What was used pre digital calculators for doing sums Guardian Quick Clue Answer

SLIDERULE

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