Expression 1: StartFraction, 1 Over pi , EndFraction arc tangent left parenthesis, left parenthesis, StartRoot, tan left parenthesis, pi left parenthesis, "x" plus 1 quarter , right parenthesis , right parenthesis , EndRoot , right parenthesis squared , right parenthesis plus floor left parenthesis, "x" plus 1 quarter , right parenthesis minus 1 quarter1πarctantanπx+142+floorx+14−14
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Expression 2: negative left parenthesis, StartFraction, 1 Over pi , EndFraction arctan left parenthesis, left parenthesis, StartRoot, tan left parenthesis, pi left parenthesis, "x" minus 1 quarter , right parenthesis , right parenthesis , EndRoot , right parenthesis squared , right parenthesis plus floor left parenthesis, "x" minus 1 quarter , right parenthesis , right parenthesis minus 1 quarter−1πarctantanπx−142+floorx−14−14