Assertion: applet's button | /r/CapableOf | clear the input and output tables
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Source sentences:
text: The controls include a 'Help' button, that brings up a window with some abbreviated instructions, a 'Compute' button that starts the calculation, a 'Clear' button that clears the input and output tables, a text area where you specify the angle of attack, a selector where you can specify whether the angle of attack is in degrees or radians, or refers to a single value or range, and a selector (default 'All Data') which enables you to specify the format of the results appearing in the output table.