The phrase "calculus about" is not correct or usable in written English
"Calculus" typically refers to a specific branch of mathematics and cannot be used to describe something that is "about" something else.
There's a new calculus about running for president.
Until this year, the political calculus about climate change had only one side.
Moscow will need to revise its calculus about the likely outcome of the Syrian civil war.
Despite the tensions, interviews with Pakistani military and intelligence officials suggested that the Taliban leader's capture could alter Pakistan's calculus about the volatile region.
The White House said the chemical weapons finding had changed Mr. Obama's calculus about the war but had not explained what that meant.
While the step may indicate greater centralization, it also reflects a new calculus about the value of investing in modernizing old facilities and in quality control.
Any child reared on "King Ottokar's Sceptre", a Balkan thriller; or "The Calculus Affair", about a scientist's kidnap, will later feel a shock of familiarity when watching Hitchcock films or reading Graham Greene.
In this study, opinions of calculus students about technology integration into learning environments were discussed within the context of teaching environments and thinking type differences.
I couldn't figure out a derivative if my life depended on it (and I just had to look that up to remember what the hell calculus was about), but I could inhale a ham-and-cheese sandwich, a bag of chips, an apple and four Oreos faster than anyone I knew.
Along the way, there is incidental enlightenment about calculus and probability theory, about "laws" of chance, and about the precision of pi, which at the time of writing had been calculated to six billion decimal places.
Some of them seem to be about business management, but one is about calculus, and there are others about art and history, and one narrow volume looks like a collection of poetry.
