The Tutorials in this series are created using Geogebra5.0.438.0-d on Ubuntu Linux v 16.04. GeoGebra 5 is a free and open source mathematics software.It includes interactive Graphics, Algebra, CAS and Spreadsheet views. GeoGebra is available for Windows, Mac OS and Linux. GeoGebra has tablet apps for Android, iPad and Windows. It is intended for teaching and learning mathematics and science from primary school to university level. GeoGebra facilitates the creation of mathematical constructions and drawings with points, vectors, segments, lines, polygons, etc.It can used to prove geometrical theorems and laws. It is freely available for download at www.geogebra.org. Read more
Foss : GeoGebra 5.04 - English
Outline: Resize and place the Algebra view above the Graphics view Use the spreadsheet view to a create simple sequence Rename the sequence Create a sequence for odd numbers using the Se..
Outline: Scripting and LaTeX in GeoGebra Open the GeoGebra interface. Use input bar to write the commands. Use script commands draw and manipulate objects. Create number sliders to..
Foss : GIMP - English
Outline: GIMP - a powerful image manipulation program Free and open source software that runs on Linux, Windows and Mac OS Equivalent of Photoshop Make an image ready fo..
Outline: Set up GIMP for first time users Main window of GIMP - the Command Central Explanation of the various small windows on the GIMP interface Toolbox ..
Outline: Access histogram within the Image dialog Make the tool box vanish Use rulers Minute details on rotation and cropping Using rule of thirds Saving the i..
Outline: Adjust color using the Curves Tool Simple filter with layers Using Screen mode and Multiply mode Setting foreground and background color Switching the laye..
Outline: Darker images using layer mask Using Healing tool Paint into a layer Using brushes Increase/Decrease brush size Using Blur filter Using Cloning t..
Outline: Using layer mask for doing Triptychs Using 3 images to do Triptychs Scale and zoom Using Active Layer option Adding a frame around image Fuzzy border ..
Outline: Pencil Tool Paint brush Tool Eraser Tool Difference between pencil and paint brush Incremental option Pressure sensitivity option Tricks to draw ..
Outline: Sketch effect with Layers Invert colours option Merge two layers Add a border to the image Add Noise
Outline: Using "jitter" option Difference between Eraser tool and Pencil/Brush tool Using "alpha channel" with the Eraser tool Various brush options Create your own ..
Outline: Color dialog box Select colors in 6 different ways Hue Saturation Value Red Green Blue Dialog box based on..
Outline: How to make a selection : (1)Replace the current selection,(2)Add to the current selection,(3)Subtract from the current selection,(4)Intersect with the current selection ..
Outline: Fuzzy Select Tool Selecting colour Tool Intelligent scissors or Scissors select Tool Foreground select tool
Outline: Curves tool in the tool box Gray Scale bar of Curves tool Using Curve type button Get an image with color bandings in it
Outline: Tricks to make text pop out Tips to change only some parts of an image Using the Perspective Tool Aligning objects in the image to the Grid lines Filter fo..
Outline: Draw simple geometric figures straight line square ellipse Draw complicated figures with Paths Tool
Outline: Use Image Properties Use Scale Image
Outline: Read EXIF information for clues to the original image Use Measurement tool from tool box to see angle info Seperating an image into different layers Applying con..
Outline: Reworking on the earlier image to enhance the colors of the image Using layer masks Removing the halos between layers