From the book "Small User's Math".
Solution of Quadratic Equations Authors Ken Lewis Publication T-S Horizons Pub Details T-S Horizons n19 Issue: 19 Date May/June 1986 Pages 17 Read the article See all articles from T-S Horizons n19 From the book “Small User’s Math”. Products Downloadable Media Related Articles Image Gallery Tags T-S Horizons TS 1000 TS 2068 Type-in program People Ken Lewis
