Examlex
Regarding Ptolemy's and Copernicus's theories of astronomy, today we find that
File
A collection of data or information that has been named and stored electronically on a computer or storage device.
Undo Button
A feature in software that allows users to revert the last action or a series of actions.
Sum Function
A mathematical function used in spreadsheets and databases to add together a series of numbers or cells.
Total Function
A type of function in mathematics and computer science that is defined for all possible inputs from its domain.
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