VCTV14 - Victor V14 Personal Financial Calculator For Dummies This calculator is made for Main Street, not Wall Street. The keys are clearly labeled with words, not abbreviations, are color coded for ease of use. Complicated and rarely used financial functions are left out so you will not be confused Understand and avoid credit card interest charges quickly and easily the first time Set retirement and college goals with a few pushed buttons. The large display is easy to read with extra large digits. Battery powered Calculate monthly car payments and mortgage rates accurately to the penny. Functions include calculating monthly payments, calculating interest rates, determining principal amounts and more Functions - Percent Financial Function Change Sign Automatic Constant. Includes instructions in spanish and english in easy to understand simple format.