Nand stands for "not and". The truth table for a nand is:
a b | a nand b
0 0 | 1
0 1 | 1
1 0 | 1
1 1 | 0
Hopefully this helps you answer your question.
I do believe it is Inventory management but I can never tell if it is the right answer. so my regards if it the wrong answer.
The Name Manager<span> dialog box is found, on the </span>Formulas<span> tab, in the </span>Defined Names<span> group, click </span>Name Manager<span>.</span>
Each language has its own use, some of them are used to create or manipulate back end codes and some of them are used mainly for web designing and some of them are used for data entries and control of data that is being implanted in the system, so if you put all uses in one language it will not be a simple task as it is nowadays for programmers. That is why there are different compt. langs.