METRIC SYSTEM

         The #math command supports using 1K, 1M, 1m, and 1u to make large and
         small number handling a little easier. These are case sensitive. Only
         four symbols are supported to keep false positives to a minimum.

         ╭─────────┬────────┬─────────────────────────────────╮
         │    Name │ Symbol │                           Factor│
         ├─────────┼────────┼─────────────────────────────────┤
         │    Mega │      M │                        1 000 000│
         │    Kilo │      K │                            1 000│
         │         │        │                                 │
         │   milli │      m │                            0.001│
         │   micro │      u │                        0.000 001│
         ╰─────────┴────────┴─────────────────────────────────╯

Related: echo, format and math.