It could only do addition and subtraction, with quantities getting entered by manipulating its dials. Pascal invented the equipment for his father, a tax collector, so it had been the initial organization equipment also (if 1 doesn't count the abacus). He crafted 50 of these more than the subsequent ten https://mydirectoryspace.com/listings13236524/5-simple-techniques-for-mobile-phone-repair-service-in-dubai