About Us

INVBAT.COM solving the problem of forgetting formula and calculator using smart phone, tablet, laptop, and desktop computer. Then make it easy to use using voice data entry in smartphone.  INVBAT.COM's vision is to see more than 3.2 billion people worldwide such as students, working adults, technicians, teachers, instructors, professors, engineers, scientists, and business people  who found themselves forgetting mathematical formulas to less likely to say, " I forgot the formulas and I don't remember how to solve the problem".