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

[Dave Britten]

(08-17-2014 12:13 PM)walter b Wrote:  

(08-17-2014 11:21 AM)Dave Britten Wrote:  Probably up to 20-30 individual figures per day, I'd say.

Thanks. And these shall fall into how many lists?

d:-?

On a typical day, two lists, but I could potentially get up to six under certain circumstances. Just depends on a lot of gross bodily things that I won't describe in detail.