With other emerging allies the calculus is trickier and leaves less margin for error.
Politics also played a role in the calculus of the Arab Muslims who supported ISIS.
More significantly, the calculus of holding territory has now changed.
This calculus is loaded with all kinds of assumptions (which may in fact be true) about the ongoing prejudices of white America.
As a Jew committed to halakhah, I admit I do not understand this calculus.
Nor have we any form of calculus or computation that can easily be applied.
Crushing of the calculus in the bladder, and removal piecemeal.
Which, when the calculus is done,Quite demonstrates the Pole.
calculus—A stone found in the bladder, gallducts and kidneys.
Craig's works on the calculus brought him into controversy with them.
1660s, from Latin calculus "reckoning, account," originally "pebble used as a reckoning counter," diminutive of calx (genitive calcis) "limestone" (see chalk (n.)). Modern mathematical sense is a shortening of differential calculus. Also used from 1732 to mean kidney stones, etc., then generally for "concretion occurring accidentally in the animal body," such as dental plaque. Related: Calculous (adj.).
calculus cal·cu·lus (kāl'kyələs)
n. pl. cal·cu·lus·es or cal·cu·li (lī')
An abnormal concretion in the body, usually formed of mineral salts and most commonly found in the gallbladder, kidney, or urinary bladder. Also called stone.
Dental tartar.
calculus Plural calculi (kāl'kyəlī') or calculuses

The branch of mathematics, usually studied after algebra, that provides a natural method for describing gradual change.
Note: Most modern sciences use calculus.