Shoutbox

quote:

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Originally posted by Mattike
Now, I'll have to make the negative numbers work... (Smilie) (e.g.: h-A)

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That doesn't exists.... That is, if you follow programming logic.

If you follow the math logic they do exist, but be EXTREMELY carefull in what you do, this is far from easy to implement this in the correct way.

Look at how a real scientific calculator works with numbers in another base to get the idea on how to implement it properly...

eg: -128 in hexadecimal can be hFF81, hFFFFFF81,  hFFFFFFFFFFFFFF81 etc... convert that back and you could get hFF81 = 65409, hFFFFFF81 = 4294967169, etc. It depends not only on what method you use, but also on the amount of bits/bytes you use to define a hexadecimal/octal/binary number, etc...

My advise would be to not allow negative numbers in other bases than the decimal base.

For the functionality
Something like:
-hF*hF + h100 = h1
(It's no problem if this it implemented, is it?)

But he already got it to work...

quote:

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Originally posted by Shondoit
For the functionality
Something like:
-hF*hF + h100 = h1
(It's no problem if this it implemented, is it?)

But he already got it to work...

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it depends on what you mean with the negative sign. Normally a negative sign is part of the number (negative number) if used alone, not part of the calculation. Hence why you shouldn't do: -hF and interpret that as:
- convert hF to 15
- make 15 negative

The "make x negative" should come before "convert x to y", not before! Hence why negative hexadecimal/octal/binary numbers don't exist.

A hexadecimal number produces a negative decimal number if that hexadecimal number wraps around the edge you have defined for the hexadecimal environment.

If you want -15 in hexadecimal it should be hFE or hFFFE or hFFFFFFFE or hFFFFFFFFFFFFFFFE, depending on the range...

btw: "-hF*hF + h100 = h1" is wrong, it should be "h1F"

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To give a better example of why you can't do all that: you will find it even more complex when you're dealing with floating points. Again, you can't do "hF.EF" as that does not exist, almost the same goes for the use of the sign.

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(can't explain this too well, someone else?)

Oh damn... then I guess I better remove the negative support.

Thanks for mentioning, Cookie. I think I'll start on one of the hardest parts of the script: the Help window, since it has to give lots of information. At least I can't break any programming logic with that.

Blah, these were driving me a little mad...

1. The F5 calculate works even if it is disabled. (Not that I don't use it )
2. Inverse trigonometry functions don't work. (Debug says "! Out of stack space") Fixed this one by removing this line (I think it causes a sort of loop):

code:

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if (/^Math\.(a(?:sin|cos|tan2?))\((.+)\)$/.test(Token)) {
   var Func = "Math." + RegExp.$1 + "(" + RegExp.$2 + ")/Math.PI";
   if (/^degrees?$/i.test(Angle)){
      Token = Func + "*180";
   } else if (/^grad$/i.test(Angle)) {
      Token = Func + "*200";
   }
   Token = Token.Calculate();
}

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3. Negative functions? (Not subtraction, but expressions beginning with "-Sin(1.5)" or "-Pi"; don't need this too desperately because "0-Pi" works)
4. Hexadecimal "not a number" is "NAN" as opposed to "NaN" in other bases.

Besides that, everything seems fine. Really helpful for maths homework.

quote:

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Originally posted by phalanxii
1. The F5 calculate works even if it is disabled. (Not that I don't use it )

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That's what you have with pre-releases: the creator only tests what he thinks he needs to test... doh!

quote:

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Originally posted by phalanxii
2. Inverse trigonometry functions don't work. (Debug says "! Out of stack space") Fixed this one by removing this line (I think it causes a sort of loop):

code:

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if (/^Math\.(a(?:sin|cos|tan2?))\((.+)\)$/.test(Token)) {
   var Func = "Math." + RegExp.$1 + "(" + RegExp.$2 + ")/Math.PI";
   if (/^degrees?$/i.test(Angle)){
      Token = Func + "*180";
   } else if (/^grad$/i.test(Angle)) {
      Token = Func + "*200";
   }
   Token = Token.Calculate();
}

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Hmm... strange, but if that can fix it...

quote:

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Originally posted by phalanxii
3. Negative functions? (Not subtraction, but expressions beginning with "-Sin(1.5)" or "-Pi"; don't need this too desperately because "0-Pi" works)

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Well, here I go again with another attempt for negative values!

quote:

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4. Hexadecimal "not a number" is "NAN" as opposed to "NaN" in other bases.

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Yeh, I wanted to show the hexadecimal values in capital letters, but it seems like I have to run a check for it first.

quote:

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Besides that, everything seems fine. Really helpful for maths homework.

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Heh... I guess that's why they requested this script.

BUMP! Calculator 1.20.011 released and waiting for scripting database to update it. I hope they won't get mad that the update comes 2 hours too late...

Please check the first post for information.

How about inline calculations? Like (!CALC=8*5) or something...
Since you have the engine, and we have Regular expressions, it shouldn't be too hard i guess?
Still, congratulations on such an advanced plugin