It is a talking calculator. It gives a voice output. Mainly useful for the blind and low vision patients. There is a voice for every operation on the calculator. The bright LED display will display the numbers and the result after the execution of operation. The blind can identify the numbers and symbols by the Braile keypad present on calculator and also they can confirm by the voice output.
They can carry this calculator to any where easily. We are now designing to reduce the size and cost of the calculator.