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 won numerous honors, including several honorary university degrees, the Lions Humanitarian Award, the Presidential Medal of Freedom, the French Legion of Honor and election to the Womenâs Hall of Fame. She also met every President of the United States, from Calvin Coolidge to John F. Kennedy.