In algebra, the letter "A" coupled with other letters originally of the alphabet is used to characterize acknowledged portions.Æ æ Ɑ ɑ Ʌ ʌ Ꞵ ꞵ Ð ð Ɛ ɛ Ə ə Ǝ ə Ɣ ɣ Ƣ ƣ Ɩ ɩ Ɥ ɥ Ꟛ ꟛ Ŋ ŋIn English language education, the term apple is consistently related to the letter A.[8] In contemporary English orthography, the let