olemus
ISO/IEC 2382:
arvu nõutava täpsusega esituseks üht arvutisõna kasutav
= characterized by the use of one computer word to represent a number in accordance with the required precision

ülevaateid
https://en.wikipedia.org/wiki/Single-precision_floating-point_format

https://blogs.nvidia.com/blog/2019/11/15/whats-the-difference-between-single-double-multi-and-mixed-precision-computing/