[
US
/ˈkæɫkjəɫəs/
]
[ UK /kˈælkjʊləs/ ]
[ UK /kˈælkjʊləs/ ]
NOUN
 the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
renal calculi can be very painful  an incrustation that forms on the teeth and gums
How To Use calculus In A Sentence
 The brachistochrone curve that gives the minimum travel time is determined by using the calculus of variations to find the best compromise between the shortest path – i.e., a straight slope – and the path that gives the maximum initial acceleration, i.e., a vertical drop followed by a short bend followed by a horizontal path. Thermodynamics, Again  The Panda's Thumb
 Laplace called probability theory ‘the calculus of inductive reasoning.’
 I would show up unannounced, watch Jaime teach calculus, chat with Principal Henry Gradillas, check in with other Advanced Placement classes and in the early afternoon call my editor in Washington to say I was chasing down the latest medfly outbreak story, or whatever seemed believable at the time. Unlike many, Escalante believed in teaching, not sorting
 In this chapter, we give some operator inequalities and norm inequalities by means of spectral decomposition and functional calculus.
 Therefore, the calculus of benefits and harms has changed.
 We know that the surgeon may not kill one of her unconsenting patients to save five others, and we know that this must be so regardless of whether a careful consequentialist calculus supports this result.
 Haddock, the explosive, semisozzled scion of Marlinspike Hall; Cuthbert Calculus, the nearly deaf genius inventor; Thompson and Thomson, the bumbling identicaltwin detectives; and opera diva Bianca Castafiore, aka the Milanese Nightingale, who is the sole female character to recur in Hergé's Tintin stories. Tintin & Co.
 The big cogwheel rotated exactly once every Roman mile, and at this point a small stone  a calculus  dropped into a box.
 Other examples are negative numbers, complex numbers, trigonometry, raising to powers, logarithms, and the beginnings of calculus.
 This made calculus a lot cleaner, and it makes the conceptualization of a circle as an infinitesided polygon possible.