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.
Helen Keller. Helen Keller was born in 1880 in Escumbria, Alabama. She learned to talk at an early age of 6 months. She walked when she was 1 year old. However, when she was 19 months old, after a severe fever, her mother noticed that she could neither hear or see. She was blind and deaf for the rest of her life.