Use the email addressed below to contact me.

What's NEW?

2020 Plot3D Online version. See link on home page to try.

2019 Plot3D will plot cartesian, polar and parametric functions to create a 3-dimensional surface.

2019 Segmented Turning Helper Version 3. Includes 3D modelling of project and many othed improvements.

2017 Laminated Bowls - Assists in construction of bowls from boards.

A programming environment for primary and secondary education.

2016 PasswordKeeper Plus -
Keep important information secure with PasswordKeeper Plus.

2015 Segmented Turning Helper - Assists in creating segmented turning projects.

Copyright © John Di Stefano (All Rights Reserved)