image tag: slide rule, image quantity: 4
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2736x3648px
slide rule, count, math, mathematics, school -
4605x2845px
abacus, slide rule, computer, calculator, napier's rods, napier's bones, quill -
4592x2584px
slide rule, slider, scale -
2100x1200px
baseball, home, run, plate, ball, field, game