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 the first 18 months of her life Helen Keller was a normal infant who cooed and cried, learned to recognize the voices of her father and mother and took joy in looking at their faces and at objects about her home.