Free: Across the Trig Divide: The Book of Right Triangles

Intimidated by trigonometry? A few minutes with Selraybob and that will all go away. Sel and his friends take all that twisted-up mathematical gobbledygook that the physics folks sling and make it simple. You might find yourself calling your old math teachers and giving them the growly-voiced what’s what. “Hey!” you might say. “Sine’s just a ratio!” But be nice. They’re still math folks. ... [Read More...]

TRY! Look at a Type-Two Civilization We Are Destroying Life! Can You Decide a Fair Destiny for Your Kids’ Children?

The author starts with the hypothesis that there are extraterrestrial civilizations. He makes demomathematics the possibility of inertial traction that was largely developed by other beings in the cosmos. This major discovery is the possible future of humanity along with the generation of energy, depollution, and ethics to preserve all life on earth. He makes interesting predictions of the organization of future society. This book is an optimistic vision addressed to readers who are called to p... [Read More...]