Thanks for your message. Regarding the strips there is a glucometer by Roche - AccuChek Compact. Instead of you inserting the strip into the glucomter each time, a drum of strips are provided. You insert the drum and it releases a new strip when you need it.
Regarding the standard deviation calculation, i haven't found any glucometer that calculates this, however many glucometers have software that you can download your blood glucose results into and then you can do more sophisticated calculations.
Hope that helps
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