October 10 - Spiro T. Agnew resigns as vice president of the United States and then, in federal court in Baltimore, pleads no contest to charges of evasion of income taxes on $29,500 he received in 1967 while he was governor of Maryland. He is fined $10,000 and put on three years' probation.
... the element 2a is zero and it is impossible to divide by it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either ...