Expression 4: "k" equals left bracket, 1 , 3 , 10 , right bracketk=1,3,10
3 element list
4
wave fronts. ( first form is more efficient )
5
Expression 6: mod left parenthesis, left parenthesis, StartRoot, "x" squared plus "y" squared , EndRoot minus StartRoot, 9.8 1 "k" , EndRoot "t" , right parenthesis times "k" , 2 pi , right parenthesis less than or equal to 1modx2+y2−9.81kt·k,2π≤1
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6
Expression 7: absolute value left parenthesis, cos left parenthesis, left parenthesis, StartRoot, "x" squared plus "y" squared , EndRoot minus StartRoot, 9.8 1 "k" , EndRoot "t" , right parenthesis times "k" , right parenthesis , right parenthesis less than or equal to .3abscosx2+y2−9.81kt·k≤.3