Good tiny device for storing/summing up a few lists of numbers throughout the day?

[BobVA]

(08-19-2014 03:15 AM)Les Bell Wrote:  

(08-17-2014 04:50 AM)Dave Britten Wrote:  Anybody have any thoughts on something durable, not super pricey, and perhaps pocketable? Essentially, I need to be able to maintain multiple lists of numbers over a 24 hour period, and quickly see the total for each of those lists. Then wipe them (or store an archive copy) and start over after I've recorded the totals elsewhere.

If you have an Android phone, then Google Sheets can do the arithmetic, and Google Forms can capture the data. Other than that, I'd probably write a few routines for the 11C or 15C.

If a 15C will deliver the mail on this, perhaps a DM-15C to get the size down?