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Subject :NCO    Class : Class 9
Who made the first mechanical calculating machine?

Ans 1:

Class : Class 9
Blaise pascal in june19 1623 at age of 19

Ans 2:

Class : Class 9
Pehr Georg Scheutz invented the first mechanical calculating machine.

Ans 3:

Class : Class 7
Blaise Pascal

Ans 4:

Class : Class 10
Wilhelm Schickard in 1623

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