Spectrum 8th Grade Math Workbook, Geometry, Rational and Irrational Numbers, Pythagorean Theorem, Statistics, Linear Equations, Spectrum Grade 8 Math Workbook for Classroom or Homeschool Curriculum By: Carson-Dellosa Publishing, Spectrum Read more
Logos and Alogon: Thinkable and the Unthinkable in Mathematics, from the Pythagoreans to the Moderns By: Arkady Plotnitsky Read more