Sometimes the name Sweorice is used, as being the land of the Sveas, Sveonerna. Possibly the orginal Sweorice was not the same as Svitjod.
See also Ancient Uppsala.
... 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 ...