Since it is a 12 digit number, there are chances of mistakes in day to day life. However, ISO has introduced the check digit, using which one can identify the correctness of the ISIN number. The check digit helps in identifying the errors in previous 11 bits.
Helen Adams Keller (June 27, 1880 â June 1, 1968) was an American author, political activist, and lecturer.
For it means the loss of the most vital stimulus â the sound of the voice that brings language, sets thoughts astir and keeps us in the intellectual company of man. Helen Keller, who was born in 1880, lost her vision and her hearing when she was 19 months old, from an infection that was probably scarlet fever or meningitis. Like many toddlers at that age, she had some spoken language, which was presumably lost in the trauma of her illness.