Perhaps others here have seen this before, but I just ran across a description for a credit card sized calculator - the Kadio KD1005 from Takshun. It reminds me a bit of my Radio Shack EC-4009 (same as Casio FX-28), but it is not solar powered.
I tried to find a retailer, but the only hit I got was on a website in Polish, which I cannot read. Has anyone seen this before, and do you know if it is available for purchase now?
Thanks and best regards,
Don Davis