olemus
ISO/IEC 2382:
kaht või mitut arvutisõna kasutav,
arvu esituseks suurema täpsusega
=
characterized by the use of two or more computer words to represent a number in order to enhance precision

ülevaateid
https://en.wikipedia.org/wiki/Arbitrary-precision_arithmetic

https://en.wikipedia.org/wiki/GNU_Multiple_Precision_Arithmetic_Library

https://www.davidhbailey.com/dhbtalks/dhb-icerm-2020.pdf

https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=2252&context=dissertations_2