Marcus was pope in the year 336. He is said to have been a Roman, but little is known of his early life. He was consecrated on January 18, 336, and died October 7, 336.
... the roots of the equation. The formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term b2 – 4ac is called the discriminant of ...