A number machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a number machine by writing out the functions that have been applied to \(j\) in the order ...
When using an IN clause containing NULL (e.g., col IN (1, NULL)), ExprSimplifier appears to return incorrect results. It would help to determine value of col for which expression before simplification ...