Computer Science
NULL
Medium
Question
In which year was the first mechanical calculator invented?
A
1543
B
1642
✓ Official correct answer
C
1858
D
1972
Community credibility
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A
1543
No member explanations yet for this option.
B
1642
No member explanations yet for this option.
C
1858
No member explanations yet for this option.
D
1972
No member explanations yet for this option.
Explanation
Pascal’s calculator appeared in 1642.
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