Getting a smooth curve through some data points is not always enough. Sometimes it is critical to preserve the general shape suggested by the data.

This is the second of two columns on logic programming. It presents examples of typical programming applications using the query evaluator developed in the first column. ...

This is the second part of an article on long-integer arithmetic. It discusses the data type for long integers and investigates a few asymptotically efficient algorithms for ...

The interrelatedness of topics in an abstract algebra course are revealed through the exploration of an open question.

How to use contours and flows to define customized coordinate systems

Many problems in most branches of sciences can be explored with the help of conditional events. In particular the judgments of the experts in specific fields can by synesized ...

From the Introduction: Hermann Grassmann is an important figure in the historical development of the vector and tensor calculus. In his book "Die Lineale Ausdehnungslehre" ...