http://www.gilport.com/rapidcalc/index.html this is awesome. For those not wanting to pump, check this out. Ivan has just decided he wants a break from pumping and this App (available from itunes) has all the brains of a pump and then some. If you have an iphone (we're using an ipod) you can email your stats to your home email. It predicts HBa1c and allows you to factor for exercise in boluses. It's working really well for us so please share this with anyone that might find it useful. So nice that someone develops a programe for these kind of things. We have to pay $10k for a pump in new zealand and we can get this for $10.99 new zealand dollars - a more affordable way to improve control.