The principal branch of the city's economy is agriculture, with its 598.17 km2 of arable land.

He left three sons, from whom most of the principal branches of the family were to descend.

For example, the principal branch has a branch cut along the negative real axis.

This is the principal branch of the log function.

Such are the principal branches above the village of Iquitos.

The principal agricultural branches of Gedera in its early years were grapes and grains.

Note: In many applications and texts, formulas hold only for principal branches.

When only one value is desired, the function may be restricted to its principal branch.

As in the case with real functions the restricted range may be called principal branch of the function.

This is thought to be due to the large size of its principal branches.