Tandy Pocket Scientific Computer PC-6

all right so I've changed the batteries on it replace the old batteries follow the directions when I replace the batteries because they told you to replace a and B separate leaving one in the other I went to Walgreens bought some nice energizer batteries and go ahead and replaced it it's real simple just unscrew these three screws on the back and then you replace the batteries set instructions you wanted the power off when you did it which I followed and when you turn it on its powering on I never had one of these I don't know how to use it but press a couple keys to make sure it's working of course but anyway this is the candy pocket scientific computer pc6 is pretty freakin awesome my dad had this I kept it because I thought it was really cool when I was a kid I never used it I actually never used it until today and now I'm gonna be sewing it on eBay so for all of those who were you k