VBA
1Sub ox()
2 Dim i, j
3 With ActiveWindow.RangeSelection
4 For i = 1 To 2 ^ .Count: For j = 1 To .Count
5 .Resize(1, 1).Offset(i, j - 1).Value = .Resize(1, 1).Offset(, j - 1).Value & IIf(Mid(WorksheetFunction.Dec2Bin(i - 1, .Count), j, 1) = 0, "〇", "×")
6 Next j, i
7 End With
8End Sub