Form 0 0 644 296 Form 0 0 5 Layers (double-click to add) 0 0 300 150 Qt::Horizontal 40 20 Values and operators 0 -1 0 Qt::Horizontal 40 20 7 4 2 ( Qt::Horizontal 40 20 1 5 8 sqrt ) 3 ^ - / 0 > Qt::Vertical 20 40 * AND <= < >= Qt::Horizontal 40 20 OR = 6 . != + 9 Qt::Vertical 20 40 Expression 0 0 0 0 100