i2 : s = solveSystem {x^2+y^2-1, x*y}
o2 = {{1, 5.19962e-16-1.06902e-15*ii}, {-1, -4.71389e-16+1.08984e-15*ii},
------------------------------------------------------------------------
{6.85872e-16+1.59955e-15*ii, 1}, {-6.7644e-16-1.59738e-15*ii, -1}}
o2 : List
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i3 : sortSolutions s
o3 = {{-1, -4.71389e-16+1.08984e-15*ii}, {-6.7644e-16-1.59738e-15*ii, -1},
------------------------------------------------------------------------
{6.85872e-16+1.59955e-15*ii, 1}, {1, 5.19962e-16-1.06902e-15*ii}}
o3 : List
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