巴斯柯(BlaisePascal)发明了第一台真正的机械计算器---加法器(Pascaline)。全名为滚轮式加法器,当初发明它的FI的是为了帮助父亲解决税务上的计算。其外观上有6个轮子,分别代表着个、十、百、千、万、十万等。只需要顺时针拨动轮子,就可以进行加法,而逆时针则进行减法。原理和手表很像,算是计算机的开山鼻祖了。帕...
1642年计算机计形——Pascaline(加法器)回目计 ●Pascaline(加法器) 1642年,法哲家兼家布累斯国学数学·巴斯柯(BlaisePascal)计明了第一台正的机械计算器真 加法器——(Pascaline)。 全名计计计式加法器,初计明的目的是计了助父计解计上的计算。其外计上有当它帮决税6计子,个 分计代表着、十、百、千、...
A Pascaline, signed by Pascal in 1652 Pascal began to work on his calculator in 1642, when he was only 19 years old. He had bee n assist ing his father, who worked as a tax commissi oner, and sought to produce a device which could reduce some of his workload. Pascal received a ...
Pascal began to work on his calculator in 1642, when he was only 19 years old. He had been assisting his father, who worked as a tax commissioner, and sought to produce a device which could reduce some of his workload. Pascal received a Royal Privilege in 1649 that granted him exclusive...
Pascalinescameinbothdecimalandnon-decimalvarieties,bothofwhichexistin museumstoday.ThecontemporaryFrenchcurrencysystemwassimilartotheImperial pounds("livres"),shillings("sols")andpence("deniers")inuseinBritainuntil the1970s. In1799Francechangedtoametricsystem,bywhichtimePascal'sbasicdesignhad inspiredother...
PascalinemadeforFrenchcurrency.Theleastsignificantdenominations,solsanddeniers, areontheright・ Pascalinescameinbothdecimalandnon-decimalvarieties,bothofwhichexistinmuseums today.ThecontemporaryFrenchcurrencysystemwassimilartotheImperialpounds("livres"), shillings("sols")andponee(〃dcniers〃)inuseinBritain...