Hi,

How do you prononce $\displaystyle \mathbb{R}^2$,$\displaystyle \mathbb{R}^3$ and $\displaystyle \mathbb{R}^n$, in English?

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- Mar 1st 2009, 09:47 AM #1

- Mar 1st 2009, 10:10 AM #2

- Mar 1st 2009, 10:19 PM #3

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- Mar 2009
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I called it as:

$\displaystyle \mathbb{R}^1$ = "$\displaystyle \mathbb{R}$to the power of one"

$\displaystyle \mathbb{R}^2$ = "$\displaystyle \mathbb{R}$to the power of two"

$\displaystyle \mathbb{R}^3$ = "$\displaystyle \mathbb{R}$to the power of three"

$\displaystyle \mathbb{R}^n$ = "$\displaystyle \mathbb{R}$to the power of $\displaystyle n$"

And so on.

- Mar 2nd 2009, 09:35 AM #4

- Mar 2nd 2009, 10:42 AM #5

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- Mar 2009
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- 20

There are a few "special" ones in English.

R^2 = "R squared" or "R to the second"

R^3 = "R cubed" or "R to the third"

Two and three are the only ones that I know of that have a "special" word like squared and cubed. Anything else is like this:

R^4 = "R to the fourth"

R^5 = "R to the fifth"

I speak U.S. English, for whatever that's worth. The Brits and Aussies and all of those guys probably use something different :-D