Usage
editA helper sub from PH wikidata
it takes a number, such as area (e.g. of land). It sends the power of the square root, in stages:
{| style="text-align:right;margin:1 0 1 3em;"
! colspan=3 | area <= 4{{sup|n}}
! colspan=3 | dim == 2{{sup|n}}
|-
| || 4{{sup|0}} || 1 || || 2{{sup|0}} || 1
|-
| [ || 4{{sup|1}} || 4 || || 2{{sup|1}} || 2 || ]
|-
| || 4{{sup|2}} || 16 || || 2{{sup|2}} || 4
|-
| || 4{{sup|3}} || 64 || || 2{{sup|3}} || 8
|-
| || 4{{sup|4}} || 256 || || 2{{sup|4}} || 16
|-
| || 4{{sup|5}} || 1024 || || 2{{sup|5}} || 32
|-
| || 4{{sup|6}} || 4096 || || 2{{sup|6}} || 64
|-
| || 4{{sup|7}} || 16384 || || 2{{sup|7}} || 128
|-
| || || else || || 2{{sup|8}} || 256
|}
area <= 4n | dim == 2n | |||||
---|---|---|---|---|---|---|
40 | 1 | 20 | 1 | |||
[ | 41 | 4 | 21 | 2 | ] | |
42 | 16 | 22 | 4 | |||
43 | 64 | 23 | 8 | |||
44 | 256 | 24 | 16 | |||
45 | 1024 | 25 | 32 | |||
46 | 4096 | 26 | 64 | |||
47 | 16384 | 27 | 128 | |||
else | 28 | 256 |
Cf ƒ-stop