WP34S - Global, Local label tips, tricks

[Dieter]

(05-08-2015 02:12 PM)CR Haeger Wrote:  1. Should local labels (like 01, 02...) be used over and over within different global programs ('ABC', 'XYZ')? Should they be used to label a standalone program?

"Should"? No, why? But you can use local labels within multiple programs as long as these are separated by END statements. It doesn't matter whether these programs use local or global labels, the important bit is the END.

(05-08-2015 02:12 PM)CR Haeger Wrote:  2. Should local hotkey labels (A-D) be used only to label at the start of one program?

"Should"? No, why? But you can use the four special labels A...D to start such programs with a single keystroke. That's what makes them special – so you use these labels if you want to take advantage of this special feature. If you don't mind pressing two keys remember there's a shortcut using XEQ and the keycode of another key: XEQ STO (or XEQ G, if you prefer) is nothing but XEQ 21, and XEQ + (resp. XEQ Z) is the same as XEQ 75.

(05-08-2015 02:12 PM)CR Haeger Wrote:  3. What should be used as a frequently used and edited utility f(x) or g(x,y) function program labels - 'Fx', 'Gxy' or 'F1', 'F2'? It seems there are many times I want to either perform some routine on f(x) (slv, sum, integrate, differentiate...) or call it from another program.

Use whatever you like and that is easy to type. That's why lowercase letters and even numbers in global labels are more cumbersome than, say, a simple LBL FF. You can also store a global label's name in a register and then call it indirectly.

(05-08-2015 02:12 PM)CR Haeger Wrote:  4. In general, how do you keep track of all these global, local labels in use? Just through the CATalog or scrolling through programming lines?

Local labels are not important here, and the global labels ahould have meaningful names (within the limits of three characters, that is...).

Dieter