Help me with this cart!!!

[Arqueologia_Digital]

Hi, i find today a Ti-99 cart that it´s called "TI EXTENDED BASIC", i want to know the rarity of this cart because it doesn´t appear in the lists, or i didn´t saw it...

Thanks everybody

Matías

[sniperCCJVQ]

It's the basic language for the TI99/4A computer and since it's not a game, it's not list in the guide. It's a really commun cart. Usually rated R1/1$