R² Homology Simulator 2014

Explore a model of the homology of the punctured plane!

• Left click to select or deselect singularities.
• Right click to add or remove singularities.
• Up/down arrow or mouse wheel to adjust the residue of a selected singularity.
• Right/left arrow to adjust animation speed.
• Tab to change coloring mode.
• m to toggle the singularity markers.
• ? to bring this box back.