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.
One of the most inspiring deaf or deafblind women is Helen Keller. Even today, her biography fascinates people. Helen Keller was born June 27, 1880 in Tuscumbia, Alabama. An unidentified illness took her hearing and sight when she was only 19 months old. After losing both, she became wild and uncontrollable due to her inability to communicate and learn.