The Missoula Water Calculator is powered by H2O and is definitely a central talking piece on any office desk. Its clear plastic finish lets you see all its intricate parts and obviously the fluid which keeps it alive! This calculator has the dimensions of 90 x 60 x 17mm which allows for a branding area of 28 x 53mm which gives you room to add your promotional message to this truly unique promotional calculator. Give your clients something to remember with our Missoula Water Calculator.