Algebraic charts.
Subtitle: 1. Quadratic equation; general form with real roots.  2. Cubic equation; reduced form with real roots.  3. Cubic equation; reduced form with imaginary roots.  4. Quadratic and cubic equations with real or imaginary roots.  5. Cubic equation; general form with a real root.  6. Biquadratic equation; reduced form with a real root.
Publisher: Nomographic press
Published: 1930
Place of publication: New York
Language: eng
Subjects: Algebra -- Graphic methods.
Notes: "Library edition.  This edition is not supplied with celluloid rulers.  Strips of transparent paper may be used instead."