Use the email addressed below to contact me.
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 - A
ssists in creating segmented turning projects.
John Di Stefano (All Rights Reserved)