Ciro Santilli @cirosantilli 37

A series of systems usually derived from the International System of Units that are more convenient for certain applications.

Ciro Santilli appreciates this concept of "remembering the suffering of others" a lot due to Ciro Santilli's self perceived compassionate personality and Ciro Santilli's cheapness.

The easy and less generic integral. The harder one is the Lebesgue integral.