Exponentiation expression (math)

Is it possible to use the arrow-up expression here on the board software or by using sup?
If so, how?

I mean:
You can express it like in 2**4 = 16
(explanation: 2**4 means 2 x 2 x 2 x 2 )

Those two characters * could be replaced by the arrow-up or by using sup.

Examples:



or

 

HTML:

↑

Does it work?

According to the help file https://www.wilderssecurity.com/help/bb-codes you can use HTML

It seems to be ↑ according to https://unicode-table.com/en/2191/

No, it doesn't work.

 

Hello @FanJ

2⁴ = 16

H₂O

Code:

2[sup]4[/sup] = 16

H[sub]2[/sub]O

HTH

 

Thanks a lot @1PW

That works!

2⁴=16

Edit: and the water expression too using sub
H₂O

 

Awesome!

 

Thanks JR That works too

2↑4=16

PS: sorry for late reply!
PS-2: maybe I find using sup a bit more clear

 

Now you might ask why I started at all talking about that expression.
(I could have started a new thread but let's go on here)

The reason is the number 65536

65536 = 2¹⁶

Does that ring any bell? That number 16 maybe? Maybe you knew already about it (of course).
Yes, it has to do with computers and software; in particular older ones.

Now why all this?
It has to do with that number, the covid-19 testing in the Netherlands and the huge back-log in reporting those numbers (some 76000) to the central Health organisation RIVM.
In an article at the site of the Dutch Public Broadcaster NOS the question was raised whether that number 76000 had to do with that number 65536.
That could have been. Well, now we go to this Wikipedia site:
https://en.wikipedia.org/wiki/65,536
You can read there that, for example, older Excel software cannot read more than 65536 rows in spreadsheets.
See why the question was raised?

That could have been the explanation. But that seems not be the case (well, let's hope that that is right).
Manpower to get the numbers (via three steps (ough)) to the central Health organisation RIVM seems to be the issue.

End of story but it gives some insight what using older systems might cause.