# Questions tagged [mathematics]

This tag is for questions on the usage and meaning of mathematical terminology and the names for mathematical entities in English.

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### What is the name of this mathematical symbol in English?

The symbol looks like a mirrored capitalized E. Because I don't know its name, I cannot Google for it.
200 views

### Does “Higher than 30% of stick A” include the full height of stick A and more?

Let's assume I have a guide to cut 2 sticks Stick A should has 100cm of length. Stick B should has length higher than 30% of stick A. So if we calculate, 30% of stick A is 30cm. Is it: Stick A: ...
1k views

### Is “to clamp” the best term for restricting a numerical value to a range?

One of the definitions of "to clamp" is, according to wiktionary: (transitive) To modify a numeric value so it lies within a specific range. Is "to clamp" the best term for this? It sounds a bit ...
608 views

### Suppose/assume that or supposing/assuming that

Which one is correct? Suppose/assume that X equals 1, we know X+1=2. or Supposing/assuming that X equals 1, we know X+1=2. It seems to me that using present participles makes more grammatical ...
621 views

### What is the meaning of “they swim up a gradi­ent of nutrients”?

I could not figure out what the sentence shown in below means. What are the meanings of "as" and "they swim up a gradi­ent of nutrients"? Also what is the meaning of "gradient" in here? Even ...
797 views

### “1 + 1 should equal 2” or “1 + 1 should equal to 2”; which one is correct?

Which of the following is correct? 1 + 1 should equal 2. 1 + 1 should equal to 2. "equal" or "equal to"?
4k views

### How to read “1 + (-2) = -1” and “1 - 2 = -1”

How to read this to others, so they can write it down just by listening? 1 + (-2) = -1 Also: 1 - 2 = -1 I want to know the differences.
405 views

### How to write that you will drop a function's argument from the notation?

I am trying to express the following idea: I have L(t) and F(t) to denote that L and F are functions of t. Now, for the rest of the text, I want to use a shorter notation, that is L and F instead of L(...
104 views

### “as an algebra” or “as algebra” (zero article or indefinite article)?

This is a grammar question in the context of mathematics. Introduction of the context: I use the word "algebra" here in the sense of a mathematical object (see Algebra over a field (Wikipedia)). ...
568 views

### How to explain the process of deriving a mathematical expression?

We obtain a formula after some mathematical manipulations as: y=5+log(sin(a)). Now I want to explain how we can obtain another formula based on what we already derived. Compare: It only requires a ...
83 views

### Using on or in for geometric points, planes, and coordinate systems

When to use "on" and "in" prepositions in math: Point on/in the plane Point on/in the cartesian coordinate system
2k views

### Is there a name for filled square?

When talking about circles, a "circle" refers merely to a line in the shape of a circle, whereas "disk" (or "disc") refers to a "filled circle". Is there a similar distinction for squares or ...
51 views

### How can I write -5 +3 time deviation or -5, +3 time deviation?

Can I write "based on the arrival time deviation of -5, +3 minutes" with comma or "-5 and +3 minutes" or "-5+3 minutes"? From 17 tours, the route was detected 13 times since the detection is ...
51 views

### How to translate the mathematical term “dictionnaire des suivants et des précédents” in English?

There is a lack of references for graph theory translation from French to English, yet if you have some, let me know, I would appreciate it. I always have some difficulties to translate these ...
14k views

### What is a third of a circle or a third of a plane called?

There is a word for a quarter of a circle or a plane: "quadrant". What is the corresponding word for a third of a circle? "tridrant" or "terdrant" or something different?
230 views

### What does “up by 500” mean?

Source (news article): Russia to Start Bombing in Syria ASAP Example: Russia has also sent 16 helicopters, two surface-to-air missile batteries, nine T-90 tanks, and enough modular housing to hold ...
237 views

### Should I use ratio, rate, fold, or increase?

The amounts of ingredients a, b and c in A (solution) were 1, 2 and 3, respectively. I have prepared B, C and D solutions with the ingredients as below. The amounts were multiplied by 1.5 for ...
72 views

### Should I use “that”?

I was wondering that which of the following is better? From Theorem XXX we obtain YYY is red color... or From Theorem XXX we obtain that YYY is red color... Should I put "that" after obtain?
455 views

### how do pronounce assignment = in math or programming?

I know you pronounce equality == in if(x == 5) this way If x equals to 5 . . . But how do you utter it in a coding context (assignment); i.e. = in x=5 ? maybe something like: x be assigned to ...
556 views

### Is there a standard way to read aloud fractions?

Common fractions have standard English equivalents, e.g.: "One half" for 1/2 "Three quarters" for 3/4 But is there a preferred way to read aloud non-standard fractions? The closest way I know of is ...
100 views

### how to use"this mathematic expression? [closed]

I know the sentence below is incorrect , but would you please correct me? By this I mean the expression is not workable for the formula, so we must use it in another equations, not formula. 'This ...
176 views

### Applications to …?

I want to express in that something has applications in a related field. Is applications to partial differential equations correct or is is necessary to change the preposition?
10k views

### Difference between “faster than” and “as fast as”

I want to say that, speed-of-A = (7/4)* speed-of-B. The two sentences that I can think of are: A runs 7/4 times faster than B. A runs 7/4 times as fast as B. I'm told that 1st version is incorrect. ...
5k views

### “Minus” a logarithm

I have to explain in words this formula: A = -log(X) My guesses would be either: A is the minus logarithm of X A is minus the logarithm of X Is one of these expressions, or yet another one, ...
397 views

### What is the exact meaning of “3 is not a factor of m or of n”?

3 is not a factor of m or of n. Meaning of the above statement the way I understand it is 3 is not a factor of m or 3 is not a factor of n. I think that I might be wrong because here I suggested an ...
797 views

### How to pronounce decimals?

Something like: 0.1 0.23 0.999 How to pronounce them correctly in English?
21k views

### What does the proportion 1:3 mean in the following example?

What does the proportion 1:3 mean in the following example? In this case the holes were filled with a mixture of cement and sand in the ratio 1:3.
524 views

### Language; math vs maths

I've heard of the term "maths" used by my UK friends, I am from the US and I use the word "math". Is "maths" grammatically correct? For me, it rolls off the tongue oddly; My maths teachers gave us ...
3k views

### How to read this mathematics value: 10^9

I have this value How to read that in English? translating from my native language, I would say Ten base of nine. but is that really correct?
144 views

### In graph's axis, can we say “somewhere between year1 and year2”?

Here is a graph I get somewhere in the internet for illustration: Can I say Somewhere between 2006 and 2010, first three lines raise significantly ...? If we mention about lines, I think using ...
808 views

### Should one write Abelian, Noetherian, Artinian by a capital or not?

Which one is the correct way to write abstract algebra? Let A be a Noetherian ring. or Let A be a noetherian ring. I guess the cases Abelian/abelian, Artinian/artinian behaves similarly.
6k views

### something is five times the size of something else - can only mean bigger and never smaller?

A real-world example from a computer book that I've been reading recently: Bitmaps do not use any compression and can be three or four times the size of the same image in other file types such as ...
6k views

### How do you read the number 1.5?

How should you read the number 1.5? Should I read it as one and half or one and a half Any help would be appreciated.
49 views

Let us consider the sentence We will study certain lattice, or discrete, particle systems. Let me explain what I am trying to say here. For my potential reader the expressions "lattice particle ...
187 views

### Omitting a preposition to avoid repetition

What is correct/better? We consider questions related to analysis of real numbers and to probability theory. We consider questions related to analysis of real numbers and probability theory. ...
1k views

### extrapolate vs conjecture

Are these verbs can used interchangeably in the sense of "to guess based on some information". The remains are conjectured to be thousands of years old. He conjectured that the company would ...
1k views

### How to express logarithms verbally?

I'm preparing for the job interview. One of the topics I'm studing is algorithms analysis, which uses so called Big O notation. So, the problem is, I actually don't know how to properly pronounce ...
203 views

### NumerICs vs numerALs, what is the difference if any?

I looked up MW but failed to see whether they are interchangeable. On a daily basis I find difficulties in adjective forming, so I guess this is just one more of the -IC versus -AL dilemmas, no?
6k views

### In math, round down or round up

In math a number can be 'rounded' (sounds strange) up or down. For example if I want to round up to the next whole number (the 2.4 gets 3). How do I express in English that I always want to round ...
6k views

### Is there a short form of “greater than or equal to” (≥)

From this question I know that when mixing "greater than" (>) and "equal to" (=) the correct expression to say is "greater than or equal to"(>=). However, I remember that my math teacher, when writing ...
5k views

### Exist vs exists in mathematics

Are there any rules about when to say exist and when to say exists in mathematics? For example, both these sentences appear in a book of mine: There exist αi in I such that xn = Σ αi xi. There ...
124 views

### Doubled, Tripled negative counterparts

We can say "The company earnings has doubled/tripled over the period". My question is - are there negative counterparts for doubled/tripled for the cases when some value lost 50% or 66% of its ...
2k views

### What is the right term to indicate the opposite of the math operation distribution?

I am studying math, and there's a term I don't know how to express, I just know that is the opposite of the operation of distribution of terms in an algebraic expression. For example, from the basic ...
80 views

### Difference between “outlier” and “offset”

When talking about deviated points (values) from a line formed by points (values) changing in a consistent way in a graph, which word better describe them: outliers or offsets? What is the difference ...
331 views

### Math Expressions

I don't know how to read most of the math expressions. For example: 2/6 75 Is there anything to learn them?
2k views

### What do I call the ′ in mathematical formulae?

As in x′ = x + t "Ex (?) equals ex plus tee". In Russian it is called "штрих" (shtrikch).
2k views

### differentiating between correlation and a temporal relationship

Could you please through two simple example show me the difference between these? a significant correlation between the occurrence of two phenomena (both phenomena generally occur together), or a ...
27 views

### Regarding a math function, which is better?

I I want to have a function depicted graphically, which is better? Draw a graphic of the function Draw a plot of the function Make a graphic of the function Make a plot of the function Plot a graphic ...