Immediate correction and verification
Looking at the sums on the computer screen, the student can work on the Indian Abacus manually, After the completion of every sum, once the student Enter / submits the answer, the page on the website would indicate whether the answer is correct or incorrect to redo the same. The student would then and there get the indication and hence there is a possibility to check the answers and the steps adopted and correct the Abacus operation for the sum. The movement of the sliders could be checked and the sum could be redone to arrive at the correct answer. The facility for the student to execute self-correction is a great advantage and the student would instantly know if a mistake has been committed and the correct method of working of the sum. Online working has this distinct facility. Further, for every operation or manipulation on the Abacus, the answer would be displayed on the LCD screen of the abacus.