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Line 58: − ===={{font color|purple|Think and write}}==== + − {| class="wikitable" − |- − | style="width: 10%;" |[[File:Emojione 1F4DD.svg|left|thumb|100x100px|link=http://119.226.159.19/OER/index.php/File:Emojione_1F4DD.svg]] − | style="width: 90%;" | − Can you imagine and write about or draw a counting device that could have been constructed for measuring, calculating things? − − |}
ICT student textbook/Science Technology and Society (view source)
Revision as of 12:02, 7 December 2016
, 12:02, 7 December 2016→{{font color|purple|Think and write}}
Can you guess what these two images are? The one on the left is called the Abacus which was used to perform calculations with numbers by moving the beads. The one on the right is called the Antikythera machine which was used in Greece to calculate the positions of astronomical objects.
Can you guess what these two images are? The one on the left is called the Abacus which was used to perform calculations with numbers by moving the beads. The one on the right is called the Antikythera machine which was used in Greece to calculate the positions of astronomical objects.
{| class="wikitable"
{| class="wikitable"