A comprehensive and reliable 12-digit display electronic calculation, DTC- 0712 is one of its only kind. Boasting of a user-friendly interface along with being slender and stylish, this device has a unique color combination of Black & Silver. This calculator proves to be extremely useful as also provides the feature of the grand total. It also has an automatic power-off battery function, i.e. if the device is left unused for a long time it may turn off on its own.