Suan Pan at Mac App Store analyse

A classic 13 row Chinese Suan Pan. There is no digital readout. I wanted to keep it pure(on a Mac). Click on the blue button to switch between 1 or 2 rows of Heaven beads. Click on the red button to switch between 4 or 5 rows of Earth beads. Click reset to reset all beads to their initial position. Simulates Multi-Touch. Hold the shift key to lower one heaven bead when clicking on an earth bead. Hold the Command Key to lower two heaven beads when clicking on an earth bead. This is a utility intended for those who know how to operate a Suan Pan and not an instructional device. Instructions on math functions are not included but can be found on the WWW.