The Lenart-sphere allows hands-on investigations into spherical geometry with the ease and precision of geometric investigations on a plane. The tool was invented by Hungarian mathematician Istvan Lenart.

Showing the single result

Scroll to Top

By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.