Questions on the pronunciation of mathematical terms and notation.

learn more… | top users | synonyms

71
votes
3answers
3k views

Is there a definitive guide to speaking mathematics?

Is there a definitive guide to speaking mathematics to avoid ambiguity? I'm writing a program to generate text for a variety of mathematical expressions and would like to code it so that it adheres ...
36
votes
11answers
4k views

How is $e^x$ read aloud?

My current research colleague from New Castle told me that I was reading it wrong. I usually read it as e power x. How do you read aloud $e ^ x$? Is it: e raised to x e power x e powered x or e ...
26
votes
6answers
2k views

How to read letters such as $\mathbb A$, $\mathbb B$, etc., or $\mathfrak A$, $\mathfrak B$, etc.?

This is a soft question. We can read the letters $\bf A$, $\bf B$, etc. as bold A, bold B, etc. We can read the letters $\textit{A}$, $\textit{B}$, etc. as italic A, italic B, etc. We can read the ...
19
votes
3answers
545 views

How do you pronounce the inverse of the $\in$ relation? How do you say $G\ni x$?

If I am talking about sets $G$ and $H$ and I want to say in words that $G\subset H$, I, like everyone else, will say that $G$ is contained in $H$, or that $H$ contains $G$. But if I am talking about ...
14
votes
7answers
9k views

pronunciation of sinh x, cosh x, tanh x for short [closed]

I heard teachers say [cosh x] instead of saying "hyperbolic cosine of x". I also heard [sinch x] for "hyperboic sine of x". Is this correct? How would you pronounce tanh x? Instead of saying ...
9
votes
2answers
1k views

How do you pronounce the symbol $'$ in $f'$?

I'm not a native English speaker. A quick Google search revealed the symbol's name is apostrophe, just like in French. When used in a mathematical setting, I usually call it prime, so for instance ...
9
votes
5answers
1k views

How does one read aloud Vinogradov's notation $\ll$ and $\ll_{\epsilon }$?

How does one read aloud the Vinogradov's notation $\ll$ and $\ll_{\epsilon }$ as in $$f(x)\ll g(x)$$ and $$c\ll_{\epsilon }\left( \prod\limits_{p\mid abc}p\right) ^{1+\epsilon}.$$ Is the first one ...
9
votes
2answers
4k views

How do you pronounce (partial) derivatives? [closed]

I am not an English speaker that is why I asked this question. In addition, I think english.stackexchange.com is not the proper place to ask this because (I am so sorry) I don't think most of them ...
8
votes
4answers
1k views

How does one pronounce $a \odot b$?

I have seen authors use $\star$, $\ast$, $\cdot$ and $\odot$ to represent arbitrary binary operations on sets. I'm wondering, what is the standard way to read or pronounce something like $a \star b$? ...
7
votes
2answers
412 views

How to pronounce “$ a:b=c:d$” in English?

I just realized that I have never used something as simple as proportions in spoken English so far, but today I have to. So simple question for native speakers: How do you pronounce for example $$ ...
7
votes
1answer
234 views

pronunciation of “Kunen” [closed]

How should the last name of set theorist Ken Kunen be pronounced? I have heard both koo-nen and kyoo-nen from other people. Probably the best answer would be to say how he himself pronounces it, but ...
5
votes
2answers
274 views

Why is $\sinh$ often pronounced “shine”? [closed]

I talked to some guys from the UK and they told me that they would pronounce $\sinh$ as "shine". I am not a native English speaker so I don't know, but in my country we call this function "sintsh" ...
4
votes
1answer
1k views

How do we pronounce this symbol?

I would like to know how to pronounce in english this symbol $\nabla \phi$ It is something phi ... ? thank you
4
votes
2answers
5k views

What is this math symbol called? [closed]

My professors use a symbol $$x_0$$ and they pronounce it as x not or x nod, I am not sure what the exact name is because they have thick accents. I have tried looking this up on the Internet but I ...
4
votes
1answer
111 views

How would I pronounce the symbol $[E:F]$? [closed]

Recently I have been reading algebraic extension by own and get the symbol $[E:F]$. My question is how would I pronounce this symbol?
4
votes
1answer
239 views

How do you pronounce $\mathbb{R}^2, \dots, \mathbb{R}^n$ [closed]

I've been starting some vector calculus and I keep pronouncing it "R squared" in my head, which is clearly wrong. What is a better way to pronounce it, so that I can state things like $f: \mathbb{R} ...
4
votes
0answers
131 views

How does one read $\bar{A}$ aloud in Russian?

In English, I would generally read the mathematical notation $\bar{A}$ as "a bar" or "big a bar." What would this be in Russian? I looked in Glazunova's Russian for Mathematicians, but couldn't find ...
3
votes
3answers
419 views

Pronouncing $A\triangle B$ [closed]

How would one pronounce an expression involving a set symmetric difference, such as $A\triangle B$? Would that be read "A symmetric difference B?" Or perhaps something like "A xor B?" This came up ...
3
votes
2answers
887 views

How to pronounce “tableaux”? [closed]

How do you pronounce Young tableaux? Does it sound just like its singular form?
3
votes
1answer
221 views

Do you decline a multiplier in reading a mathematical formula in Russian?

How do you read "Порядок определителя равен $2n$"? Is it "двум эн" or is it "два эн"? And in a sum, do you read $c = a_5 + a_6$ as "це равно а пятому плюс а шестому"? Or does the plus sign interfere ...
3
votes
1answer
115 views

How to say math terms in English

I would like to know how to say in English the following objects: the quotient $\mathbb R / \mathbb Z$ (is it "Ar over zee"? or "Ar modulo zee"?) things like $[0,1]^n$ (is it "the n-th power of the ...
3
votes
2answers
158 views

How to most efficiently verbalize symbol for the principal ideal generated by an element of a commutative ring with unity?

Let $R$ be a commutative ring with unity, let $a$ be an element of $R$, and let $$\langle a \rangle := \{ ra \mid r \in R \}. $$ Then $\langle a \rangle$ is an ideal in $R$, called the principal ideal ...
3
votes
0answers
120 views

Pronouncing the Greek Alphabet for use in Mathematics [closed]

I've noticed that sometimes when I am writing out equations and saying the symbols in my head I will slip up and say "p" for "$ \rho $" or mix the pronunciation between letters say "$ \eta $" for "$ ...
3
votes
0answers
134 views

How do you pronounce $\Sigma^+$ or $\Sigma^\dagger$ (as used in Moore–Penrose pseudoinverse)?

I'm referring to the pronunciation of the $+$ and $\dagger$ notations. Is it simply pronounced as ‘sigma plus’, or ‘pseudoinverse of sigma’, or ‘sigma pseudoinversed/pseudoinverted’? Sometimes it is ...
2
votes
4answers
641 views

how do you read: “$\lim (n-1)/(n-2) = 1$”

The limit of the fraction $(n-1)/(n-2)$ with $n$ approaching $+\infty$ is $1$. But how do you read that, concisely? (say during chalking the formula on a blackboard). Is it acceptable to say "lim", ...
2
votes
4answers
1k views

How is “Hessian” pronounced? [closed]

How do mathematicians pronounce "Hessian"? From searching online I've learned that the term is named after Otto Hesse, a German, and that the German state of Hesse has lent its name to a boot. From ...
2
votes
1answer
142 views

How to verbalize $R[x]$? [closed]

Let $R$ be a ring, and let $x$ be an indeterminate. Let $R[x]$ denote the ring of polynomials in $x$ with co-efficients in $R$. How to most efficiently read (i.e. pronounce) the symbol $R[x]$ while ...
2
votes
3answers
379 views

How to say the notation $ x_{i,j}^{ k}$ [closed]

$ x_{i,j}^{ k}$ May I say the following to say the above notation? x sub i j to k ? x sub i j sup(prounced like "soup") k ? (Can I say "soup" for "superscript"? Could you please show me a ...
2
votes
1answer
28 views

Pronunciation of Indexed Collection of Sets

I'm currently learning about sets and I want to discuss the material. However, I'm unsure of the pronunciation of certain symbols. For instance, I know that (1) $A\cup B$ is read, "A union B." ...
2
votes
1answer
54 views

How to read multiplication, division, and power?

please understanding my poor English. I heard from some video lectures, $x^2$ is $x$ squared, and $x^3$ is $x$ cubed. Could someone let me know how to read $x^n$? $x$ to the n? $x$ to the n ...
1
vote
2answers
87 views

How do you pronounce $\hat{n}$?

I've found a symbol $\hat{n}$ in an equation, and I have no idea how to pronounce it, and how to write it phonetic. Edit: I've found it here: ...
1
vote
3answers
280 views

How do you pronounce x' and x''? [closed]

I am giving a presentation tonight, and the mathematical terms x' and x'' feature heavily in it. I pronounce them as "x-dash" and "x-dash-dash", but this gets a bit tiresome by the end of the ...
1
vote
1answer
148 views

How to pronounce $\chi^2$? [closed]

When talking about the $\chi^2$-test or the $\chi^2$-distribution, my colleagues have different pronunciations of the letter $\chi$. How should it be pronounced? I quickly found three different ways: ...
1
vote
2answers
65 views

Pronunciation of Permutation/Combination Notation and Ordered Pairs

Quick question: How am I supposed to pronounce (or read in my head) the following? $P(n,k)$ or $C(n,k)$ Also, how am I supposed to pronounce (or read in my head) this? $K \times M = \{(x,y): ...
0
votes
3answers
345 views

correct English pronunciation of the word poset [closed]

What is the correct English pronunciation of the word poset (Partially Ordered SET)? paazit or pow-set?
0
votes
2answers
324 views

How to pronounce ℓ? Is there any other way than 'ell'? [closed]

Reading aloud from a graph theory textbook, I encountered the letter ℓ. I assume that most people simply pronounce it 'ell'. However, is there any other way to pronounce it?
0
votes
3answers
248 views

How to pronounce “Sturm”? [closed]

The celebrated phrase "Sturm und Drang" is German. I know the pronunciation of the German noun "Sturm". But, I would like to pronounce the French name "Sturm" of "Jacques Charles François Sturm".
0
votes
1answer
100 views

Pronouncing the symbols $\oplus,\otimes,\rtimes,\cup$, and $\cap$. [closed]

I'm trying to figure out how to pronounce the symbols $\oplus,\otimes,\rtimes,\cup$, and $\cap$ when they're being used as binary operators in the contexts of direct sums, tensor products, semidirect ...
0
votes
1answer
48 views

How should I read formulas using multiple variables with the same name? [duplicate]

I am reading computer science texts, which tend to include a lot of summations and set logic. In set logic, formulas commonly use a capitalized variable to reference a whole set, i.e. $\Omega$, and a ...