The Nursing & Pharmacy calculator is one of the latest additions to the CASIO practical calculator portfolio. The SP-100USNU features quick calculations that will assist in dosing of IV drip medication, finding body mass index, BSA, and estimated glomerular filtration rate. This model is one of the first calculators to be constructed inside an antimicrobial case approved to ISO 22196 standards, and features an easy-to-sterilize silver-colored front plate. This unit comes with a CR2016 3-volt Lithium coin battery and is ready for use right out-of-the-box.