Back Konstante Afrikaans ثابت (رياضيات) Arabic Daimi Azerbaijani Даими Bashkir Канстанта Byelorussian Канстанта BE-X-OLD Константа Bulgarian ধ্রুবক (গণিত) Bengali/Bangla Constant (matemàtiques) Catalan نەگۆڕ (ماتماتیک) CKB
A constant is something that does not change. Constants (numbers) are used in maths and computer programming.
An important fact to remember in calculus is that the derivative of a constant is always zero.