Sample Mind Map

もっと見る

Science Chapter 9

Marissa Cにより

The system unit

Halbin Halbinにより

PTA Project

Christian Grayにより

systems

Lin Lee Ying N/Aにより

Other base

Base 12

Base 8

Base 2

binary

Numerical Systems

4- DECIMAL 0,1,2,3,4,5,6,7,8,9

Base 10 for ease

The Mayans added the number 0

Any number using only 10 glyphs

1- First Methods

Civilizations created different methods, Using symbols

Roman

Added position

Egyptian

Hebrew

Greek

First humans used body parts to count animals. It was not efficient

3- Mathematical Indians century VIII

2- More developed methods add and substract

Aztecs

Chinese

Babylonians