Plural of calculus
irregular plural
The plural of calculus is calculi or calculuses.
Forms of calculus
| Singular | calculus /ˈkæl.kjʊ.ləs/ |
|---|---|
| Plural | calculi /ˈkal.kjəˌlaɪ̯/ calculuses |
| Countable | countable and uncountable |
Calculi and calculuses in a sentence
- There is an equivalence of categories between the category of simply typed lambda calculi and the category of cartesian closed categories; this was shown by Lambek and Scott.From the entry equivalence of categories
- Xanthine calculi are seen in patients with hereditary xanthuria and those undergoing treatment with allopurinol.2014, Emilio Quaia, Radiological Imaging of the Kidney, page 398. From the entry xanthuria
- Gentzen also wrote down inference rules suitable for the intuitionistic propositional and predicate calculi.2009 February 3, John C. Baez with Mike Stay, “Physics, Topology, Logic and Computation: A Rosetta Stone”, in (Please provide the book…. From the entry linear logic
- The other paradigm in programming is called 'explicit typing' and corresponds to the Church version of typed lambda calculi.1991 December 20, Henk P. Barendregt, “Lambda Calculi With Types”, in ftp.cs.ru.nl^([ftp://ftp.cs.ru.nl/pub/CompMath.Found/HBK.ps])…. From the entry ml
- Some authors designate the Curry systems as 'lambda calculi with type assignment and the Church systems as 'systems of typed lambda calculus'.1991 December 20, Henk P. Barendregt, “Lambda Calculi With Types”, in ftp.cs.ru.nl^([ftp://ftp.cs.ru.nl/pub/CompMath.Found/HBK.ps])…. From the entry ml
Meaning of calculus
- noun Calculation; computation.
- noun Any formal system in which symbolic expressions are manipulated according to fixed rules.
- noun Differential calculus and integral calculus considered as a single subject.
Nouns ending in -us: plural -i
Questions about the plural of calculus
- What is the plural of calculus?
- The plural of calculus is calculi or calculuses.
- Which is correct, calculi or calculuses?
- Both are used. calculi is the more common of the two in English writing.
- Is calculus countable?
- Calculus is a countable and uncountable noun.
Source and license
Adapted from Wiktionary: calculus (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of calculus.” Word.ws, https://word.ws/plural/calculus. Based on Wiktionary, CC BY-SA 4.0.