The mechanical adding machines of Pascal and Leibniz were not widely adopted because
A) they were too expensive.
B) there were unreliable.
C) they were too difficult to program.
D) they could not handle fractions.
E) bookkeepers successfully lobbied the King, and he made the machines illegal.

Question

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The Answer of The mechanical adding machines of Pascal and Leibniz were not widely adopted because
A) they were too expensive.
B) there were unreliable.
C) they were too difficult to program.
D) they could not handle fractions.
E) bookkeepers successfully lobbied the King, and he made the machines illegal.

The Mechanical Adding Machines of Pascal and Leibniz Were Not