even function

Noun

 * 1)  Any function whose value is unchanged if the independent variable changes sign i.e. f(x) = f(-x)

Translations

 * Danish: lige funktion
 * French:
 * German: gerade Funktion
 * Icelandic: jafnstætt fall
 * Polish: funkcja parzysta
 * Russian: чётная фу́нкция
 * Swedish: jämn funktion