HP-28S

My father got this calculator when I was a kid. So it is the first HP-calculator I ever experienced. He gave it to me at my 30th birthday.
I made a new accu-pack for it so that it operates mobile again. Until now I didn't dare the repair of the card-reader.


Serial number	1811B52242
Made in	Brasil
Year	1978
Condition	Very good, except a non working card-reader due to the gummy-wheel problem
Comment	My father got this calculator when I was a kid. So it is the first HP-calculator I ever experienced. He gave it to me at my 30th birthday. I made a new accu-pack for it so that it operates mobile again. Until now I didn't dare the repair of the card-reader.