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  • Users: rzrdigo
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  1. rzrdigo

    code error?

    Does anybody have any idea why this code doesnt work? the error is in the ACHA_FI_P() function... the problem is I couldnt debug this code using dev c++, anybody know a good debugger? the ACHA_FI_P function is to resolve 2 equations to find values of Fi2 and Fi3 that zero W and Z. any help will...
    • rzrdigo
    • Thread
    • Replies: 5
    • Forum: C
  2. rzrdigo

    what is wrong below??

    Error: Incompatible type conversion Z=((sqrt(Alfa23_linha)*Tetaliq*Rms*exp(-Alfa23_linha*Fi3*Fi3))/(ERF(sqrt(Alfa23_linha)*Fi3)-ERF(sqrt(Alfa23_linha)*Fi2))+(sqrt(Beta23)*Rls*Tetai*exp(-Beta23*Fi3*Fi3))/(ERFC(sqrt(Beta23)*Fi3))-(sqrt(3.14)*Fi3*Fliq)/(St)); OBS: everything is double Error...
  3. rzrdigo

    Using Charts

    Hi all, I am using charts to draw some XY graphs, until here no problem. There is also a report in another window, in which i wish to copy the graph to. I used the following code: //To plot the graph int p; double c[500],b[500]; for(p=0;p<500;p++) { c[p]=p; b[p]=3*p...
  4. rzrdigo

    Using Data In different forms

    Hi, i wanted to use in Form2 the data given in the Edits or calculated in Form1. How can i do this? Thanks in advance.
  5. rzrdigo

    QuickReport

    I am using Builder 6 and QuickReport for printing. The preview does not show anything, I do not know if i programmed it right anyway. Where can i find something good to study the QRep?? Thanks
  6. rzrdigo

    two conditions in one if ?

    i wanted to do the following: "If RadioButton1 AND RadioButton2 ARE NOT checked, send message "Check one", else blabla" i tried like this: if((RBtnIsot->Checked==false) ,(RBtnIsoc->Checked==false) ) { MessageDlg("Choose the simulation.", mtError, TMsgDlgButtons() << mbOK, 0); } else { ... but...
  7. rzrdigo

    Only numbers in the edit box

    Is there a way that the user is only able to put numbers in an Edit box? I tried to program so that a warning would be sent if a letter was typed but i couldnt manage. Would have to do too many comparisons and there are too many edit boxes. Any body can help?
  8. rzrdigo

    catch for letters or empty

    Using an EditBox, is it possible to catch weather what is written in the Edit is a letter or a number and if it is empty too?
  9. rzrdigo

    Edit's AnsiString to Double

    How do i convert the number given in an Edit box to double for calculations? Only found how to convert ansistring to int: K=StrToInt(Edit1->Text); How do i do that but to double??

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