Calculator



Click here for a larger image.

Environment: VC6, NT4 SP3, Windows 2000

This article give you the necessary code to create a text-based calculator. The calculator can handle variables, complex numbers, and draw functions.

Downloads

Download demo project - 22 Kb
Download source - 75 Kb



Comments

  • compiling error?

    Posted by Legacy on 07/13/2002 12:00am

    Originally posted by: yang

    the demo look great,but there is some error responsed as below when compiling it(Window95,VC++6.0)


    fatal error C1083: Cannot open precompiled header file: 'Debug/Calculator.pch': No such file or directory
    Error executing cl.exe.

    Calculator.obj - 1 error(s), 0 warning(s)


    any opinions to improve it?

    many thanks

    Reply
  • How about add a new operator '^'

    Posted by Legacy on 06/27/2002 12:00am

    Originally posted by: Siuming

    Hi, Roger Lindstr�m,
    How about add a new operator '^' to your parser? then it
    will be able to calulate expressions like this:

    x^2

    which the same with 'pow(x, 2)'
    I have imported your parser in one of my small plotter app,
    Many thanks!

    Reply
  • Nice

    Posted by Legacy on 06/24/2002 12:00am

    Originally posted by: Md Ali

    it's really nice and good piece of work that shows that c++ is the master of all programming languages

    Reply
  • Calculator demo

    Posted by Legacy on 06/24/2002 12:00am

    Originally posted by: nagaraju

    Its a pretty good and decent application.

    Reply
  • Fantastic Application

    Posted by Legacy on 06/22/2002 12:00am

    Originally posted by: Siuming

    Good work, thanks for sharing it!

    Reply
  • cool

    Posted by Legacy on 06/21/2002 12:00am

    Originally posted by: Jason

    very cool. could use arbitrarily sized ints ;)

    Reply
Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • You probably have several goals for your patient portal of choice. Is "community" one of them? With a bevy of vendors offering portal solutions, it can be challenging for a hospital to know where to start. Fortunately, YourCareCommunity helps ease the decision-making process. Read this white paper to learn more. "3 Ways Clinicians can Leverage a Patient Portal to Craft a Healthcare Community" is a published document owned by www.medhost.com

  • Live Event Date: May 6, 2014 @ 1:00 p.m. ET / 10:00 a.m. PT While you likely have very good reasons for remaining on WinXP after end of support -- an estimated 20-30% of worldwide devices still are -- the bottom line is your security risk is now significant. In the absence of security patches, attackers will certainly turn their attention to this new opportunity. Join Lumension Vice President Paul Zimski in this one-hour webcast to discuss risk and, more importantly, 5 pragmatic risk mitigation techniques …

Most Popular Programming Stories

More for Developers

Latest Developer Headlines

RSS Feeds