cast out nines

Verb

 * 1)  To apply a procedure for verifying whether an arithmetic operation is probably correct or certainly incorrect using modulo characteristics of the digit 9.

Translations

 * Catalan: prova del nou
 * Dutch: negenproef
 * French:
 * German: Neunerprobe
 * Italian: prova del nove
 * Portuguese: fazer a prova dos nove
 * Spanish: prueba del nueve