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------------------------------------------------------------------ WINGRAPH Version 1.1 Copyright (c) 1992 Dean Dinnebeil and XWare, Inc. Release Date: 2/93 ------------------------------------------------------------------ TABLE OF CONTENTS 1 - REGISTRATION 2 - PROGRAM DESCRIPTION 3 - INSTALLATION 4 - QUICK START 5 - MENU COMMANDS 6 - DEFINITION OF SHAREWARE 7 - DISCLAIMER - AGREEMENT 8 - OMBUDSMAN STATEMENT ----------------------------------------------------------------- 1 - REGISTRATION Registration Fees: Single-User - $35.00 Unlimited Site-License - $200.00 To register send a check in the appropriate amount to: XWare, Inc. 850 Seventh Avenue Suite 1101 New York, NY 10019 Please include your name, address, and phone number with your payment. Also, please indicate preferred disk size (3╜ or 5╝). Registration benefits include: o Telephone and written support. o A copy of WinGraph with the automatic "nag" screen disabled. (In place of the Shareware registration request will be the registered user's name and license number.) o Notification of future releases of WinGraph. User feedback is encouraged. If you have suggestions, complaints, or bug reports please feel free to contact XWare at the above address or call (212) 262-4481 between 9:00 AM and 5:00 PM EST, or via CompuServe Mail - 76477,2113. ----------------------------------------------------------------- 2 - PROGRAM DESCRIPTION WinGraph is an equation graphing program designed primarily for use by students and teachers of mathematics. WinGraph's features include: 1) Expression parsing; 2) Cartesian coordinate graphs in two and three dimensions; 3) Polar coordinate graphs; 4) Simultaneous graphing of two equations (two-dimensional graphs only); 5) Solutions to equations (two-dimensional graphs only); 6) Variable solution ranges; 7) Full rotational and zoom capability for graphs in three dimensions; 8) Printing of graphs to devices supported in Microsoft Windows; 9) Use of Microsoft Windows clipboard facility for transferring images created in WinGraph to other Windows programs; 10) User configurable display features and colors. ----------------------------------------------------------------- 3 - INSTALLATION WinGraph requires an IBM/Compatible computer running Microsoft Windows in standard or enhanced mode. This means that the minimum hardware requirement is a 286 with 1 megabyte of RAM. 1) Copy the WinGraph Files: WinGraph.exe WinGraph.hlp WinGraph.doc to the Windows subdirectory or any directory that is included in your DOS path command. 2) Add WinGraph to a Windows Program Group by: Opening the Program Group. Choosing the "New" command from the "File" Menu in Program Manager. Selecting "Program Item" and clicking "OK". Typing "WinGraph" in the "Description" edit box. Typing the full path name where WinGraph.exe is located. (Probably "C:\WINDOWS\WINGRAPH.EXE") Clicking the "OK" button. 3) Start WinGraph by double clicking on the WinGraph Icon. ---------------------------------------------------------------- 4 - QUICK START 1) Start WinGraph by double clicking on the WinGraph Icon. 2) Choose the "Graphs..." command from the "Equations" Menu. Or, click the "Graph" button on the Button Bar. 3) Enter an expression such as "sinx" (omitting the quotation marks) in the "Equation" edit box. Click "OK". 4) Choose the "Graphs..." command from the "Equations" Menu. Or, click the "Graph" button on the Button Bar. 5) Click the "Overlay" button. 6) Enter "cosx" is the "Overlay" edit box. 7) Click "OK" twice. 8) Choose the "Graphs..." command from the "Equations" Menu. Or, click the "Graph" button on the Button Bar. 9) Enter "sin(x^2+y^2) in the "Equation" edit box. 10) Click "OK". 11) Now experiment with the "Options", "Display" and "Preferences" settings. ---------------------------------------------------------------- 5 - MENU COMMANDS The following describes each of WinGraph's menu commands. For a complete index and help with procedures and examples consult the WinGraph Help System accessible through WinGraph's "Help" Menu. GRAPH... Invokes a dialog box where users enter equations for graphing. Clicking the "Overlay" button invokes a secondary dialog box where users enter another equation for simultaneous graphing (two-dimensional graphing only). Clicking the "Symbols" button invokes a dialog box containing a table of symbols that WinGraph understands. This dialog box may remain on the screen while users enter equations or invoke other WinGraph features. The "Plot Type" box contains "radio buttons" indicating type of graph -- Cartesian or Polar. REPLOT Immediately invokes WinGraph's calculation functions. User's can change multiple equation plotting parameters before plotting an equation. Then, by choosing the 'Replot' menu option or clicking the 'Replot' button on the button bar, the equation is recalculated and replotted using the given parameters. COPY Copies the image presently displayed in WinGraph's main window to the Windows clipboard. Users can transfer images created in WinGraph to other Windows applications supporting bit-mapped images. PRINT Prints the image currently displayed in WinGraph's main window. ABOUT Invokes a dialog box identifying the WinGraph version number and developers. Clicking the "Info..." button executes Microsoft Windows Notepad and loads "Wingraph.doc" which contains information about registering WinGraph. QUIT Exits WinGraph. RANGE... Invokes a dialog box where users specify the solution range for graphed equations. The maximum solution range varies depending on two factors: resolution, and graph type (2D or 3D). ROTATE... Invokes a dialog box where users swivel the viewing angle of three-dimensional graphs. Users can rotate graphs 360 degrees around each axis. This option is not accessible for two-dimensional graphs. COLORS... Invokes a dialog box where users choose the colors in which WinGraph draw graphs. Users can specify different colors for drawing the graphs, individual axes, and the background grid. ZOOM... Invokes a dialog box where users adjust the viewing distance of three-dimensional graphs. Users can "zoom" into or away from the image in WinGraph's main window. This option is not accessible for two-dimensional graphs. RESOLUTION... Invokes a dialog box where users select WinGraph's drawing resolution -- Low, Medium, or High. High Resolution is not available for two-dimensional graphs with ranges greater than 12, or three-dimensional graphs with ranges greater than 7. Polar graphs are unaffected by this option. AXES Toggle's WinGraph's display of axes in the main window. When checked axes are displayed or printed; when not checked axes are hidden. TEXT Toggles WinGraph's display of equation text in lower right corner of main window. When checked equation text is displayed or printed; when not checked equation text is hidden. GRID Toggles WinGraph's display of background grid for two-dimensional equations. When checked grid is displayed or printed; when not checked grid is hidden. COORDINATES Toggles WinGraph's display of coordinate window in top right corner of WinGraph's main window. When checked coordinate window is displayed; when not checked coordinate window is not displayed. When checked WinGraph's cursor changes to a cross and the coordinate window indicates the coordinates at the location of the cursor. This option is not accessible for three-dimensional graphs. The coordinate window indicates (x,y) coordinates for Cartesian graphs, and (radius, angle) for Polar graphs. SOLUTIONS Toggles WinGraph's display of solution window(s) in top right corner of WinGraph's main window. When checked solution window(s) are displayed; when not checked solution window(s) are hidden. If two equations are graphed simultaneously two solution windows appear -- one for each graph. When checked the system cursor changes to the shape of a cross. User's can solve equations simply by clicking the left mouse button. When the left mouse button is clicked WinGraph determines the solution argument (the value placed in the variable) based on the location of the cross in the window. WinGraph solves the equation with that solution argument and displays both the solution argument and the solution to the equation in the solution window(s). If the equation contains an 'x' variable, WinGraph replaces 'x' with the solution argument and solves for 'y' (or f(x)). If the equation contains a 'y' variable, WinGraph replaces 'y' with the solution argument and solves for 'x' (or f(y)). WinGraph determines the solution argument based on which variable the equation contains and the location of the cursor. For Polar graphs WinGraph determines the angle where the cursor is located and solves for the radius. The solution window(s) indicate (x,y) coordinates for Cartesian graphs, and (radius, angle) for Polar graphs. This option is not accessible for three-dimensional graphs. SYMBOLS... Invokes a dialog box containing a table of Operators, Constants, Functions, and Variables and the corresponding symbols that WinGraph understands. This dialog box can remain on the screen while users enter equations. SETTINGS Displays the current values for WinGraph's graphing options. The option values displayed are: Range, Resolution, Roll, Yaw, Pitch, and Distance. BUTTON BAR Displays a context sensitive button bar at the top of WinGraph's plotting window. The button bar provides easy access to most of WinGraph's plotting features. ----------------------------------------------------------------- 6 - DEFINITION OF SHAREWARE Shareware distribution gives users a chance to try software before buying it. If you try a Shareware program and continue using it, you are expected to register. Individual programs differ on details -- some request registration while others require it, some specify a maximum trial period. With registration, you get anything from the simple right to continue using the software to an updated program with printed manual. Copyright laws apply to both Shareware and commercial software, and the copyright holder retains all rights, with a few specific exceptions as stated below. Shareware authors are accomplished programmers, just like commercial authors, and the programs are of comparable quality. (In both cases, there are good programs and bad ones!) The main difference is in the method of distribution. The author specifically grants the right to copy and distribute the software, either to all and sundry or to a specific group. For example, some authors require written permission before a commercial disk vendor may copy their Shareware. Shareware is a distribution method, not a type of software. You should find software that suits your needs and pocketbook, whether it's commercial or Shareware. The Shareware system makes fitting your needs easier, because you can try before you buy. And because the overhead is low, prices are low also. Shareware has the ultimate money-back guarantee -- if you don't use the product, you don't pay for it. ---------------------------------------------------------------- 7 - DISCLAIMER - AGREEMENT Users of WinGraph must accept this disclaimer of warranty: "WinGraph is supplied as is. The author disclaims all warranties, expressed or implied, including, without limitation, the warranties of merchantability and of fitness for any purpose. The author assumes no liability for damages, direct or conse- quential, which may result from the use of WinGraph." WinGraph is a "shareware program" and is provided at no charge to the user for evaluation. Feel free to share it with your friends, but please do not give it away altered or as part of another system. The essence of "user-supported" software is to provide personal computer users with quality software without high prices, and yet to provide incentive for programmers to continue to develop new products. If you find this program useful and find that you are using WinGraph and continue to use WinGraph after a reasonable trial period, you must make a reg- istration payment of $35 to XWare, Inc. The $35 registration fee will license one copy for use on any one computer at any one time. You must treat this software just like a book. An example is that this software may be used by any number of people and may be freely moved from one computer location to another, so long as there is no possibility of it being used at one location while it's being used at another. Just as a book cannot be read by two different persons at the same time. Commercial users of WinGraph must register and pay for their copies of WinGraph within 30 days of first use or their license is withdrawn. Authorization will be automatically granted to distributors recognized by the (ASP) as adhering to its guidelines for shareware distributors, and such distributors may begin offering WinGraph immediately (However XWare, Inc. must still be advised so that the distributor can be kept up-to-date with the latest version of WinGraph.). Non-ASP distributors must notify XWare, Inc. of their intention to distribute WinGraph. You are encouraged to pass a copy of WinGraph along to your friends for evaluation. Please encourage them to register their copy if they find that they can use it. All registering users will receive a copy of the latest version of the WinGraph system. ---------------------------------------------------------------------- 8 - OMBUDSMAN STATEMENT This program is produced by a member of the Association of Shareware Professionals (ASP). ASP wants to make sure that the shareware principle works for you. If you are unable to resolve a shareware-related problem with an ASP member by contacting the member directly, ASP may be able to help. The ASP Ombudsman can help you resolve a dispute or problem with an ASP member, but does not provide technical support for members' products. Please write to the ASP Ombudsman at 545 Grover Road, Muskegon, MI 49442 or send a CompuServe message via CompuServe Mail to ASP Ombudsman 70007,3536.