Algebra involves the use of letters in mathematics. These letters are unknowns and can represent either a single unknown number or a range of unknown numbers. Sometimes algebraic expressions can ...

Thus, for instance, exercises on the use of graphs are given, some at quite an early stage; there are problems to show the application of algebra to geometry, mensuration and elementary physics ...

I show how the coordinate-free approach together with exterior products can be used to clarify the basic results of matrix algebra, at the same time avoiding all the laborious matrix calculations.

14, Issue. 6, p. 606. This is a short, readable introduction to basic linear algebra, as usually encountered in a first course. The development of the subject is integrated with a large number of ...