Trigonometry in the Plane Electronic Calculators for Plane Trigonometry The introduction of the transistor and then the microprocessor in the late 1960s and 1970s made it possible to build electronic ...

Cite this article Practical Geometry for Beginners Elementary Algebra A New Trigonometry for Schools The Elements of Plane Trigonometry Preliminary Practical Mathematics Constructive Geometry New ...

(1) THIS book is a collection of 3500 examples in ele-JL mentary algebra up to quadratic equations. It will prove useful to those teachers who dictate the book-work instead of leaving their pupils ...