3 ms·
The keys often make it or break it for me. I really don't like the keys on the TI-89 nor the HP-50g. I love the keys on the HP-48 though.
by mvzink 15y ago
The keys often make it or break it for me. I really don't like the keys on the TI-89 nor the HP-50g. I love the keys on the HP-48 though.