A check and correct calculator that has a black body and features a 12 digit system. A very distinctive device, based on its dimensions and characteristics. A device with so many functions, that large calculation are reduced to simple fractions in no time. An implicit shape and a trending design coupled with distinguishable features make this calculator very desirable and useful. Students will find it very materialistic and assertive when it comes to usability. A very fine device and suitable choice for business analysts, accountants, corporate professionals.