根据第一段第一句Many people believe that the first calculator was invented by 18-year-old Blaise Pascal,可知发明为计算器。故答案为:calculator。(4)It was used to add and subtract numbers.根据It was used to add and subtract numbers,可知发明计算器是为了加减数的。故答案为:It was used to add...
【题目】The Calculator(计算器)Many people believe that the first calculator was invented by 18-year-old BlaisePascal in 1642 to help his father, a tax collector, count taxes. I was used to add andsubtract numbers. About 50 were made but they were not very popular. 300 yearslater, ...
Who invented the first mechanical calculator? Who invented the first robotic arm? Who was the first computer hacker? Who invented the first mass-produced car? Who invented the first medical pacemaker? Who invented the first wristwatch? Who invented the first nuclear reactor?
Who invented the first calculator? Who invented the first bus? Who invented the first train? Who invented the first microprocessor? Who invented the first cell phone tower? Who invented the first gun? Who invented the first instrument?
The Bangladeshi government has signed three deals with Chinese and Thai firms on the country's first-ever metro rail project. Alibaba teams up with Argentina's government seeking trade opportunity Alibaba's CEO Jack Ma and Argentinian President Mauricio Macri signed a Memorandum of Understanding (MO...
Ever-so-useful Excel Inflation Calculator covering 50 countries. FULLY EDITABLE.. calculatorforwardcpiinflationbackward 2,247Discussadd_shopping_cart free by Domenico Cristarella Market Analysis - Crisis Scenarios Template A PowerPoint Slide for any economist or business analyst to forecast the effects of...
In 1969, Sharp introduced the first calculator built from high-density MOS chips, theQT-8D, followed by the handheld Sharp EL-8, the world's smallest calculator at the time.1These calculators were high-end products, selling for $345 (about $1800 today). Integrated circuits at the time cou...
propose a CONTROL method for electronic computation, but merely to “sell†the reason for developing electronic devices to overcome the limitations of mechanical devices, including relays. Fortunately it did that. But IT DID NOT DESCRIBE even a calculator, still less a ...
(https://codonw.sourceforge.net/) was used to analyze the codon usage of mitochondrial PCGs by calculating RSCU values. The Ka/Ks_Calculator v2.075with the MLWL method was used to calculate the Ka/Ks of shared mitochondrial PCGs ofC. soulattriandP. edulis(Accession No. NC_050950) in the...
It is an important invention in the world, which made it easier for man to carry heavy things and to travel long distances. So, its invention changed the world quickly for the first time.30. It is the oldest kind of calculator used in China many centuries ago. Now the calculators are ...