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# zegrapher - plotting mathematical functions and sequences on the plane

ZeGrapher is developed with the idea that it must be as easy to use as possible, suitable for high school students.
Here are features offered by Zegrapher:
• Visualize up to six functions simultaneously. All the usual functions

can be called, they're all written on the virtual keyboard of the
program. The name of these must be followed by an open parenthesis.
Ex : cos(3x), sqrt(x) and not cos 3x or sqrt x. On a given function,
others can be called, and so it's possible to associate or compose
functions.

• Numerical sequence plotting, they can be defined by recurrent relation, or explicitly. On the recurrent definition, you can put as much first values as you need to.
• Parametric equation plotting, with the possibility to use a second parameter, which is "k". The curves can be animated, with adjustable smoothness (frame rate) and speed (ms per step).
• Parametric function and sequence plotting. The parameter to use is "k". Once you put it on an function's expression, new widgets will appear on which you'll enter the range and the step of "k". You can also choose two colors and each curve would take a color between these two.
• Draw tangents, they can be moved and resized simply with the mouse.
• Draw derivatives and antiderivatives of functions.
• Print the graph, with these options :
° Choose the basis scale in centimeters, so you can measure the graph

on the sheet with a ruler.

° Choose the size and the position of the graph on the sheet. ° Print in color or gray-scale.
° Export on a PDF file.
• Exporting, it's possible to use all the known formats (png, jpeg, tiff, gif, ...).
• Display a table of values, you can do it with three different options:
° From current graph view, the program will display the different

functions ,sequences and parametric equation values from the graph's
scale. And if you move the graph, the table would update itself
automatically.

° Manual, you choose a number of empty boxes, then you'll enter by

yourself the values that you want to know.

° Semi-automatic, with a given start value, step and number of values

to display.

• Navigate on the graph :
° Select a curve to display the coordinates of its points. ° Zoom/unzoom on each axis separately or together, with the mouse

on a point, or on a rectangular region.

° Move the graph.
• Customize the presentation :
° Change all the colors: axes, background, functions...
° Adjust curves displaying precision, it'll also affect rendering speed. ° Show/hide the grid.
° Activate/deactivate curves' smoothing.
° Display the graph on an orthonormal basis.
3.1
Fedora rawhide
3.0.2
Debian 10.0
Fedora 28
Fedora 29
Fedora 30
Fedora 31
Ubuntu 18.04 LTS
Ubuntu 18.10
Ubuntu 19.04
Ubuntu 19.10
Ubuntu 20.04
3.0
Debian 9.0
Ubuntu 17.10
2.0
Ubuntu 16.04 LTS
DistributionVersionSincePackageInstalledPackager
Debian 10.0 buster/maindeb3.0.2-12017-11-10447 kiB1.28 MiB
Debian 9.0 stretch/maindeb3.0-22017-11-10456 kiB1.25 MiB
Fedora 28 releases/Everything-osrpm3.0.2-4.fc282019-01-14520 kiB1.38 MiBFedora Project
Fedora 29 releases/Everything-osrpm3.0.2-5.fc292019-01-14520 kiB1.41 MiBFedora Project
Fedora 29 releases-test/Everything-osrpm3.0.2-5.fc292019-01-14520 kiB1.41 MiBFedora Project
Fedora 30 releases/Everything-osrpm3.0.2-6.fc302019-06-17523 kiB1.68 MiBFedora Project
Fedora 31 releases/Everything-osrpm3.0.2-7.fc312020-01-07540 kiB1.53 MiBFedora Project
Fedora rawhide development/Everything-osrpm3.1-2.fc322020-02-08613 kiB1.45 MiBFedora Project
Ubuntu 17.10 artful/universedeb3.0-22017-11-10474 kiB1.33 MiB
Ubuntu 18.04 LTS bionic/universedeb3.0.2-12017-11-10465 kiB1.36 MiB
Ubuntu 18.10 cosmic/universedeb3.0.2-12019-01-14465 kiB1.36 MiB
Ubuntu 19.04 disco/universedeb3.0.2-12019-01-14465 kiB1.36 MiB
Ubuntu 19.10 eoan/universedeb3.0.2-12019-06-17465 kiB1.36 MiB
Ubuntu 20.04 focal/universedeb3.0.2-1build12020-03-23464 kiB1.33 MiB
Ubuntu 16.04 LTS xenial/universedeb2.0-42017-11-10336 kiB820 kiB

## Applications

### ZeGrapher

Math graphing software

## Manual pages

### ZeGrapher(1)

ZeGrapher - program for plotting mathematical functions.

2020-03-23

### Ubuntu 20.04 focal/universe: Updated from 3.0.2-1 to 3.0.2-1build1

2020-03-23
• No-change rebuild for libgcc-s1 package name change.

### Ubuntu 20.04 focal-proposed/universe: Version 3.0.2-1build1 introduced

2020-03-23
• No-change rebuild for libgcc-s1 package name change.

2020-02-08

### Fedora rawhide development/Everything-os: Updated from 3.0.2-7.fc31 to 3.1-1.fc32

2020-01-12
• Update to 3.1 (#1787890)

2020-01-07

### Ubuntu 20.04 focal/universe: Version 3.0.2-1 introduced

2020-01-07
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-10-10
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

2019-10-10

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-10-10
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

2019-10-10

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-09-25
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

2019-09-25

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-09-25
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

2019-09-25

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-09-06
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

2019-09-06

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-09-06
• New upstream release
• fixed one error in ZeGrapher.appdata.xml
• updated build-dependencies to remove the virtual package qt5-default, enforced the use of qt5 in debian/rules (export QT_SELECT=qt5)

2019-09-06

### Ubuntu 19.10 eoan/universe: Version 3.0.2-1 reintroduced

2019-09-06
• New upstream release