The course offers a number of tools which intend to facilitate the course itself as well as technical work later on.
Some features are well established while others are on the research stage.
The Wessel Counter is a calculator particulary prepared for calculation with complex numbers and functions. This was done prior to both Gauss and Argand. The Slide Rule is a simpler calculator for algebraic operations and some selected mathematical functions. The number input fields in the computer forms accept Slide Rule input. The remaining items are experiments on how to furnish a mobile and wireless field service in pocket format.