Subj : Math Test
To   : Bj�rn Felten
From : Nicholas Boel
Date : Fri Jun 28 2024 06:38 pm

On Sat, 29 Jun 2024 05:59:20 +0200, Bj�rn Felten -> Nicholas Boel wrote:

BF>    So how do you differ

BF>   7
BF>   -
BF>   7
BF>  - -
BF>   7

BF>    ... from

BF>   7
BF>  - -
BF>   7
BF>   -
BF>   7

BF>   ... without parenthesis and/or the above picture with your keyboard
BF> notation then?

It depends, is "-" minus, and "- -" division according to your blackboard drawing top-down methodology? There is no "- -" listed on any math symbols list sites I can find out there, so it must be something from the 60s-70s when computers maybe couldn't do proper symbols?

Either way, and if I'm correct in my assumption, the first one would be 6, and the second one would be -6, as division comes before subtraction in the order of operations. Again, no need for parenthesis. If there were parenthesis, you would do whatever was in those first.

BF>    To a true, old school mathematician the two (rudimentary) pictures
BF> above need no effing rules to interpret.

There's nothing 'old school' about it. It's basic, simple math. Why do you insist on adding parenthesis everywhere?

Regards,
Nick

... Take my advice, I don't use it anyway.
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