Recently, gbl08ma has released version 1.0 of the Utilities add-in and presented beta releases of a whole new add-in, a port of Eigenmath to the Casio Prizm (fx-CG 10 and 20) calculators. Both add-ins feature the tny.im label and already had over a hundred downloads.
Head over to gbl08ma’s page about Casio Prizm software for more information.