The Sverdrup, named in honour of the pioneering oceanographersHarald and Otto Sverdrup[?] is an SI derived unit of volume transport, used almost exclusively in oceanography, to measure the volume of ocean currents. It is equivalent to 106m3/s.
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... formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term b2 – 4ac is called the discriminant of the quadratic equation, because ...