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 was born on June 27, 1880 in Tuscumbia, Alabama. She was a happy healthy baby. Her father, Arthur, worked for a newspaper while her mother, Kate, took care of the home and baby Helen. She grew up on her family's large farm called Ivy Green.