Learn how to say Addend correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word addend:
Mathematics & Computing
a number which is added to another:
as its name suggests the Accumulator ‘accumulates’ by keeping its addend in memory and incrementing by the addend it receives from another transmitting unit
Compare with augend.
late 17th century: from Latin addendus ‘to be added’, gerundive of addere (see add)