Crossword puzzle clue "mechanical calculator inventor"

Here are the possible solutions for mechanical calculator inventor clue

Answer
Clue
Relevancy
pascal
Clue
Mechanical calculator inventor
Mechanical calculator pioneer
Inventor of the first digital calculator
Inventor of first digital calculator
Definition
a unit of pressure, one newton per square meter
abacus
Clue
Mechanical calculator
Definition
(Latin) a counting frame using beads
psat
Clue
It has "calculator" and "no-calculator" math sects.
sliderule
Clue
Pre-calculator calculator
baird
Clue
John Logie __, inventor of the first mechanical TV

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