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MacFormula 2.0
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HTXT_0_Release Notes_
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1990-06-19
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This version of MacFormula fixes a few bugs in
earlier releases, and offers a few major enhancements. For
instance, MacFormula will no longer choke trying to find
the exact mass of sulphur.
You can now modify the values of the elements that
MacFormula uses to find the formula weight of a
string (Yippee!). You can also enter your own symbols (like
D(ueterium), Ph(enyl), Me(thyl), etc). I hope you enjoy
this feature. Total symbols, including the periodic table
may not exceed 150. This is explained further in “Creating
your own symbols.”
MacFormula will now calculate the elemental
analysis for all of the elements in your formula (up to a
total of 20).
The source code for MacFormula has been totally
rewritten. As a result, MacFormula now runs a bit
faster.
Known Bugs
• This is more of an anoyance than anything, but if an
edittext item is hilited, or if the blinking cursor is not
at the end of the string, and <CR> or <RETURN> is hit
instead of the “Calculate” button, MacFormula will
return “Bad Input” as the formula weight. This is because I
am using TransSkel library routines and they don't allow
interception of dialog events for modeless dialogs.
Really...it's not my fault. This will not happen to you if
you don't hit <CR> or <RETURN> twice in a row without typing
anything, or if you move the blinking cursor to the end of
the string after making an insertion in the middle of the
string. It will never happen if you always use the mouse to
press the “Calclulate” button.
Future Plans
So far no one has contacted me concerning any ideas or
items they would like to see implemented in MacFormula.
This is probably because they are embarassed that they have
not mailed in their shareware payment. Quite truthfully, I
have received very few payments, when I know that, in fact,
quite a few people are using MacFormula in their work.
With that in mind, it is very difficult for me to justify my
time working to make MacFormula better. I would like to
include a provision for parentheses, and perhaps allow a
user to print out an elemental analysis request form with
everything filled in. Whether or not any of these things
happen is entirely up to you...the user.
Distribution
As before, the standalone version of MacFormula
can be freely distributed. However, all versions of
MacFormula are copyrighted and cannot be sold or
distributed for profit. The desk accessory version of
MacFormula is not shareware. It is only for the use
of registered users. To obtain the desk accessory version,
follow the instructions in “REGISTRATION.”