Calc

Calc or CALC may refer to:


 * Short for calculation, calculator, or calculus
 * Windows Calculator, also known by its filename calc.exe
 * LibreOffice Calc, an open-source spreadsheet application.
 * The Anglo-Saxon rune ᛣ, representing /k/
 * The Calcarea class of calcareous sponges
 * The Latin American and Caribbean Unity Summit, known in Spanish as the Cumbre de América Latina y el Caribe (CALC)
 * The Canadian Association of Lutheran Congregations (CALC)