:The Chinese invention of the compass was one of the most significant inventions in history. Without the knowledge of how to tell direction, exploring would have been impossible. (Jenna)
:The Chinese invention of the compass was one of the most significant inventions in history. Without the knowledge of how to tell direction, exploring would have been impossible. (Jenna)
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H5. Comment on how important "zero" is to mathematics or thought in general. You might speculate on why it took so long to discover and use it.
H5. Comment on how important "zero" is to mathematics or thought in general. You might speculate on why it took so long to discover and use it.