French mathematician Blez Paskal has constructed the first mechanical car. He was 19 years old at that time. Its car consisted of small wheels and transfer. On 19th century more perfect cars of calculation have been invented. The first electronic computers have appeared in first half XX centuries. These electronic cars could not only calculate, but also and solve difficult problems. They could finish off the solved sequence of operations according to the program. They had also a possibility to save up the information. But these cars were very big and heavy. Their length made approximately 30 metr
