Paul Hangas

Scroll through the numbers from 1 to 100,000,000,000. See which numbers are Prime and view the Prime Factors of the Composite numbers. Jump directly t …

Unfold brings the geometry of 3D solids to life on your iPad and iPhone in an elegant and intuitive way. The artistic and mathematical beauty of these …

Explore and interact with 3D shapes on a screen like you never have before. Fun for 3D fans of any age.Features:• Choose from of a variety of 3D shape …

Explore and interact with 3D shapes on a screen like you never have before. Fun for 3D fans of any age.Features:• Choose from of a variety of 3D shape …

TapTapBlocks brings colorful building blocks to life in 3D!Limited only by your imagination, simply tap any block to add a new block at that spot, rot …