Слайд 2Life without numbers
It is believed that the early shepherds would call their
![Life without numbers It is believed that the early shepherds would call](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1030405/slide-1.jpg)
sheep by name in order to determine if any of them were missing. There were no number names at first; so counters were used. For counters man used sticks or his fingers
Слайд 3Archimedes
The greatest mathematicians of recorded history was the Greek Archimedes who developed
![Archimedes The greatest mathematicians of recorded history was the Greek Archimedes who](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1030405/slide-2.jpg)
a dynamic mathematics which could be applied to the laws of nature.
Слайд 4
Rene Descartes
Rene Descartes represented number pairs by points. This creation made
![Rene Descartes Rene Descartes represented number pairs by points. This creation made](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1030405/slide-3.jpg)
possible the great advance in science and mathematics during the eighteenth century.
Слайд 5Isaac Newton
Newton was one of the inventors of the calculus which
![Isaac Newton Newton was one of the inventors of the calculus which](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1030405/slide-4.jpg)
is now studied by college students who are seriously interested in mathematics or physical science.
Слайд 6
Base of our number-system
Our number-system uses only the symbols 0, 1, ...
![Base of our number-system Our number-system uses only the symbols 0, 1,](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1030405/slide-5.jpg)
9; it has base ten. Ten is
probably the base because we have ten fingers It is not known when or by whom zero was invented.