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                                    1. The Pascaline usedto make calculations. | 
                            
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Answer»  Answer: PASCALINE, also called ARITHMETIC Machine, the first calculator or adding machine to be PRODUCED in any QUANTITY and ACTUALLY used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644. Explanation: Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.  | 
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