HP 50G help

[DavidM]

(04-24-2015 05:19 PM)Tugdual Wrote:  It is indeed something fundamental to understand.
But this being said is that the right way to go? The calculator would naturally feed the root directory with a lot of crap and a purge is tedious; my conception of a directory is precisely to isolate/encapsulate problems in their own context. So when I create a subdir I would expect to start with a blank page.
In my humble opinion, this mechanism totally ruin the concept of directories.

As others are pointing out, there's benefits to this technique and at the same time you can still be more explicit with your own programs if needed.

Note that this is more of an issue for RCL than STO. Consider the following:

- you have an object named 'ABC' in HOME containing the string "ABCDEFGHIJK"
- your current directory is set to { HOME MyVars MyStrings }, and it contains no objects

In this scenario, if you place 'ABC' on the stack and execute RCL, you will end up with "ABCDEFGHIJK" on the stack that was recalled from HOME. Conversely, if you enter "XYZ" and 'ABC' on the stack and press STO, the result will be two different 'ABC' variables in two different locations: { HOME } and { HOME MyVars MyStrings } . The original version in HOME is left unchanged, and a new one is stored in the current directory.