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1,2,3,...
(everyday, mathematics)
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0,1,2,...
(computer science)
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Screen
models (x,y) coordinates
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y
value increases as you read down
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(0,0)
is upper left hand corner
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Each
location holds one pixel – a character
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Frame
of +’s is not part of Screen
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5 ´ 3 Screen
with
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G at position (3,1),
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&
at position (0,2)
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