Winplot for Windows 95/98/ME/2K/XP/Vista/7 (815K)
Click the above link to download the program. (28 Jan 12)
Page last updated: 28 Jan 12
Winplot is a general-purpose plotting utility, which can draw (and animate) curves and surfaces presented in a variety of formats.
If the program behaves strangely, there is a page of FAQ, which may help. If not, you can e-mail me at the address found in the program’s Help|About dialog box.
The on-line help pages are kept current (28 Jan 12).
Supplementary material (12 Jun 11) consists of animations, tutorials, teaching modules, and a font (useful for pi seekers). Donated mostly by Winplot users.
One way to insert a Winplot diagram into a webpage is to create an SVG file.
Click here for additional program information and history.
Foreign-language versions:
Chinese (traditional) (prepared with the help of Koen Kwan) (3 Jan 12)
Croatian (prepared with the help of Vjenceslav Bakovic (3 Jan 12)
Dutch (prepared with the help of Max Blommestijn and Jos Remijn) (3 Jan 12)
French (prepared with the help of David Lemay, Marcel Druwé, and Jean-Marc Genevey) (3 Jan 12)
German (prepared with the help of Dietmar Strube) (3 Jan 12)
Hungarian (prepared with the help of Peter Csiba (3 Jan 12)
Italian (prepared with the help of Cristiano Dané (3 Jan 12)
Korean (prepared with the help of Changsoo Lee (3 Jan 12)
Lithuanian (prepared with the help of Roma Greiciute, who has also created a Winplot website (3 Jan 12)
Polish (prepared with the help of Piotr Pawlikowski (3 Jan 12)
Portuguese (prepared with the help of Adelmo Ribeiro de Jesus) (3 Jan 12)
Russian (prepared with the help of Anatoly Koryanov (3 Jan 12)
Slovak (prepared with the help of Peter Michalicka) (3 Jan 12)
Spanish (prepared with the help of Martín Acosta) (3 Jan 12)
28 Jan 12: Many items to report. (1) Prompted by a veteran user, I did something that should have been done long ago — collecting several menu items (fonts, colors, pen widths, and more) into a “settings” dialog box that is opened from the Misc submenu, and that will stay open, making it easier to manage certain attributes. (2) Because some users did not want to see recent file names populating the File menu, I installed a switch in the main Windows menu, so that you can turn off this feature. (3) While making these changes, I repaired the 3D “linked” animation window, which had somehow gotten broken. (4) Another user noticed that changes to the user-function library were not generating “save?” messages when the window was closed; now they do. (5) In addition, this dialog box now accepts longer definition strings, and text is preserved exactly as it is typed by the user (no automatic conversion to upper case). (6) Yet another user report revealed that graphs of lines ax+by=c in the 2D window were disappearing if they passed exactly through a window corner; this anomaly became conspicuous when the line y=x was graphed in a perfectly square window centered at the origin. That has been repaired.
3 Jan 12: While upgrading the 2D implicit-region dialog box last October, I forgot to anticipate that the user might delete a curve that was used to define a region (which inevitably leads to a crash). This has been fixed.
2011 history.
