Examples by Helmut

Features

• Absolute positioning4
• Angles1
• Arcs4
• Arrows18
• Automata and Petri nets5
• Background12
• Blending2
• Calendar library5
• Callouts1
• Chains12
• Circuits3
• Clipping18
• Coordinate calculations30
• Coordinate systems8
• Decorations46
• Fadings12
• Fit6
• Foreach97
• Forest1
• Intersections7
• Layers17
• LuaTeX2
• Markings5
• Mathematical engine41
• Matrices25
• Mind maps4
• Node positioning21
• Nodes and shapes15
• Overlays10
• Paper folding1
• Patterns1
• Pic6
• Plotting20
• Postactions2
• Quotes1
• Remember picture8
• Scopes18
• Shadings34
• Shadows3
• Shapes1
• Smartdiagram6
• Snakes5
• Spy library5
• Styles36
• To paths15
• Transformations31
• Transparency20
• Trees16

Tags

• 3D34
• Angles7
• Animations12
• Annotations9
• Axes9
• Basics7
• Beamer13
• Block diagrams28
• Charts23
• Circuitikz12
• Code generation6
• Color manipulation12
• Customization12
• Deprecated2
• Diagrams91
• External file3
• Flowcharts8
• Fractals9
• GNUPLOT9
• Graphs25
• Grids10
• Hacks1
• Macro packages26
• Macros10
• Manual14
• Mindmaps4
• PGF 2.016
• PGF 3.05
• PGF CVS3
• Paths29
• Pie charts1
• Plots33
• Random10
• Text and math18
• Venn Diagrams3

Scientific and technical areas

• Astronomy3
• Biology5
• Chemistry12
• Computer science42
• Economics14
• Electrical engineering44
• Geography1
• Geometry40
• Mathematics83
• Mechanics3
• Networking4
• Optics9
• Philosophy1
• Physics50
• Psychology1
• Statistics11

Other areas

• Calendars5
• Christmas4
• Cookbook12
• Decorative drawings35
• Fun16
• Games5
• Music1
• New Year1
• Sports2