Cal may refer to:
California (/ˌkælᵻˈfɔːrnjə, -ni.ə/ KAL-ə-FORN-yə, KAL-ə-FORN-ee-ə) is the most populous state in the United States and the third most extensive by area.
An electronic calculator is a small, portable electronic device used to perform operations ranging from basic arithmetic to complex mathematics.
Call of Duty is a first-person shooter video game franchise. The series began on Microsoft Windows, and later expanded to consoles and handhelds.
Calvinism (also called the Reformed tradition, Reformed Christianity, Reformed Protestantism, or the Reformed faith) is a major branch of Protestantism that follows the theological tradition and forms of Christian practice of John Calvin and other Reformation-era theologians.
Caligula (/kəˈlɪɡjᵿlə/), properly Gaius Julius Caesar Augustus Germanicus (31 August AD 12 – 24 January AD 41) was Roman emperor from AD 37–41. Born Gaius Julius Caesar Germanicus (not to be confused with Julius Caesar), Caligula was a member of the house of rulers conventionally known as the Julio-Claudian dynasty.
John Calvin Coolidge Jr. (/ˈkuːlɪdʒ/; July 4, 1872 – January 5, 1933) was the 30th President of the United States (1923–29).
A caliphate (Arabic: خِلافة khilāfa) is an area containing an Islamic steward known as a caliph (/ˈkælɪf, ˈkeɪ-/, Arabic: خَليفة khalīfah pronunciation )—a person considered a religious successor to the Islamic prophet, Muhammad (Muhammad ibn ʿAbdullāh), and a leader of the entire Muslim community.
Calgary (/ˈkælɡəri, -ɡri/) is a city in the Canadian province of Alberta. It is situated at the confluence of the Bow River and the Elbow River in the south of the province, in an area of foothills and prairie, about 80 km (50 mi) east of the front ranges of the Canadian Rockies.
Calculus (from Latin calculus, literally "small pebble used for counting") is the mathematical study of continuous change, in the same way that geometry is the study of shape and algebra is the study of generalizations of arithmetic operations.