Type control

[Han]

(03-13-2015 06:29 PM)salvomic Wrote:  A priority list should be: control if value "a" is given, then if D1, D2 and D3 are set, than if a is from 0 to 1 (non include the limits), then if a is a number and only a number...

That doesn't make sense. How can you check if a is from 0 to 1 without first checking to see that a is in fact a number? I didn't read much into your code, except to look for how control flow was giving you errors.