# Graphmatica 2.3 Trial

With the help of Graphmatica you can create plots from equations. It features numerical and calculus options that can be easily configured.
The interface is based on a standard window with an intuitive structure, where all you have to do is write a mathematical equation in a dialog and press Enter to plot it.
Graphmatica provides several templates that you can work with (GR format). You can merge the selected file with the current graphs, as well as ask the tool to graph all equations after loading.
It is possible to copy graphs to BMP or EMF format (color or monochrome), copy tables and equations, hide or delete graphs, zoom in and out, as well as specify the grid range.
Other options of Graphmatica let you view and edit point tables, the data plot editor, variables panel, and graph paper properties (e.g. background graph paper type, grid detail level and decorations), adjust the theta range for polar graphing, numerically evaluate a point’s coordinates, find intersections between two curves, edit functions and constants, perform numerical integration, and more.
The application is light on the system resources, using a minimal amount of CPU and RAM. It is very responsive to commands and does not hang, crash or pop up error messages. All in all, Graphmatica comes in handy to math students and anyone who wants to plot equations.

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Graphmatica is an equation plotter with easy to use controls for numerical and calculus features. Graphs 2-D Cartesian functions, relations and inequalities, plus polar, parametric and ODEs. Up to 999 graphs on screen at once.
Offers copy to clipboard (bitmap/WMF/EMF), Button Bar, on-line help and demo files. Great for students or teachers of any level math from algebra through college calculus.
This utility offers you the possibility to create multiple graphs for Cartesian functions, relations and many other equations.
In summary, Graphmatica is a great tool for students and teachers of anything from high-school algebra through college calculus.

**Here are some key features of “Graphmatica”:**

- The Redraw Queue. Graphmatica remembers up to the last 999 equations you typed in or loaded from a file. You can save your work for use in a later session or with any text editor.
- Advanced equation parser follows mathematical rules–not the computer’s. You can use implied multiplication, a complete library of math functions (including trig), and even leave out those annoying parentheses in appropriate places. Forget about isolating variables before graphing! Graphmatica will isolate the dependent variable for you, if possible, and even graph many relations that can only be specified as implicit functions.
- Powerful graphing engine. You can choose between six styles of graphing: regular Cartesian, polar, parametric, and slope-field and initial-value approximations for up to fourth-order ODEs (and fourth-order linear systems as well), all detected automatically based on which variables you use in your equation. Cartesian inequalities are supported as well. Most graphs appear instantly on Pentium-class machines.
- Data plotting and curve fitting support make it easy to highlight points on a curve or enter experimental data sets and find the equation of best fit.
- Easy to use controls, including a toolbar, right-click popup menus, the status bar, which displays relevant information and help messages, and the Redraw Queue combobox, which lets you select any equation in memory to graph, delete, or edit to form a new equation.
- Pause and Point tables options let you see the coordinates of points on your graphs… as they are drawn. The Point tables show values at an interval and precision that you control, so you can get detailed numerical results or practice sketching curves yourself.
- Convenient mouse-oriented operations. You can use the mouse to select a new range or view the coordinates of a point, select the initial value for an ODE, and even find the tangent line of a curve or integrate a function without pressing a single key.
- Flexible graph paper. Choose between regular graph paper and paper appropriate for trig, polar, and logarithmic functions, at four levels of detail.
- Powerful symbolic and numerical calculus features. Find intersections between curves, derivatives, integrals, and critical points for any Cartesian function.
- Lots of output options. Graphmatica lets you copy equations, point tables, and graphs to the clipboard, and you can choose from two levels of print quality for faster or better printouts when you print your graphs.
- Every automatic option is also user-settable to give you absolute control over your graphs. The Options Settings dialog not only shows you the current settings, but also acts as a master control panel to let you change any customizable option from one dialog box. And your preferences are saved automatically restored whenever you run Graphmatica (you can also disable autosave on exit and use the Save Setup Info command to save your preferences manually).
- Instructive help topics explain the basics of each type of graph…and included demo files show you examples of each form of equation.

**Limitations:**

- 30 days trial

**What’s New**

- overhauls graph rendering and adds the ability to export graphs to image files in the popular JPEG and PNG formats
- supports all modern 32-bit and 64-bit platforms

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Tags: Plot Equation | Equation Plotter | Save Graph | Equation | Plotter | Plot

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