Does the optimizing code in TI-BASIC really matter?

Question

I know that in TI-BASIC the agreement is to obsessively optimize and save as many bits as possible (which is pretty funny, I admit).

For instance,

DelVar Z
Prompt X
If X=0
Then
    Disp "X is zero"
End                   //28 bytes

will be cleared as

DelVar ZPrompt X
If not(X
    "X is zero        //20 bytes

But does the optimization code in this way really matter? Does it significantly faster or memory storage?

Answer 1

Yes. TI-Basic code optimization matters, and this difference is much larger than you would find for most programming languages.

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Answer 2

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Answer 3

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Sources: My own experience described here: https://codewalr.us/index.php?topic=778.msg27190#msg27190

TI-84 + CSE RAM numbers came from here: https://education.ti.com/en/products/calculators/graphing-calculators/ti-84-plus-c-se?category=specifications

Information about the Z80 appeared here: http://segaretro.org/Zilog_Z80