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Full Version: My DM-15CC has arrived!
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This probably means all others have. It came with the DM-15CC 'mem80' firmware (extended memory), as requested (thanks a lot!). The Swiss Post stamp is marked 15.03.12 17:27. The delay should be blamed on the Brazilian Customs, as usual, since It was sent Priority Mail. At least I've been charged no taxes. :-)
There are some key quirks, as others have mentioned, but they are not so serious. I was able to key in a 125-step program without much difficulty.
It's a nice calculator to carry around, surely something not to leave home without! :-)

I gotta ask. Isn't the DM too small to press the keys properly? Perhaps you could post an 'actual size' photo so I can gauge just how big the keys are, please.

Edited: 13 Apr 2012, 4:44 p.m.

I use the small metal stylus pens that kids use with the DS3 games. Works like a charm!


Never thought of that. Perhaps I could use my Palm T|X or Zire series styli when I get my DM. From the size of the DM compared to the HP original, the keys look like they could be the size of BlackBerry keys. That's why I thought it would be impossible to press just one key.

In any case, congratulations on your new arrival

Edited: 13 Apr 2012, 5:51 p.m.

The original 15C is about 3 x 5 in.; on my screen the picture is about 110% of original size.

That's why I thought it would be impossible to press just one key.

When the HP-35 was designed, they were worried about key-spacing. That's why up to the third version the upper keys were so small, to the point of hurting the tip of the fingers. It looks like they were over-concerned. On the DM-15C you can press the keys even with your thumb, if you wish, with disturbing the adjacent ones.

Perhaps I'll get the DM-16CC as well, when it's available :-)