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.
This Day in History: 03/03/1887 - Helen Keller meets her miracle worker. On this day in 1887, Anne Sullivan begins teaching six-year-old Helen Keller, who lost her sight and hearing after a severe illness at the age of 19 months.