## What is the subscript 0 called?

Commonly, variables with a zero in the subscript are referred to as the variable name followed by “nought” (e.g. v0 would be read, “v-nought”). Subscripts are often used to refer to members of a mathematical sequence or set or elements of a vector.

What is the symbol for Nought?

As a digit, 0 is used as a placeholder in place value systems. Names for the number 0 in English include zero, nought (UK), naught (US; /nɔːt/), nil, or—in contexts where at least one adjacent digit distinguishes it from the letter “O”—oh or o (/oʊ/).

### What does x0 mean in math?

The notation x → x0 is read as “x approaches x0.” The quantity represented by ( eq:notlim. 2-1) is a single number, if the limit exists. For many simple functions the limit is just the function value f(x0).

What does R subscript o mean?

This paper focuses on a fundamental input parameter for most existing mathematical models of pandemic influenza, the ‘basic reproductive number R[subscript 0],’ defined to be the mean number of new influenza infections created by a newly infected person in a population of all susceptible people.

#### Is it nought or zero?

“Zero” is the usual name for the number 0 in English. In British English “nought” is also used. In American English “naught” is used occasionally for zero, but (as with British English) “naught” is more often used as an archaic word for nothing.

How do you say 0000 in English?

I’d say: “Zero, zero, zero, zero. That’s four number zeroes.”

## Is it naught or nought?

What does the symbol 0 mean?

1 : the numerical symbol 0 meaning the absence of all size or quantity. 2 : the point on a scale (as on a thermometer) from which measurements are made. 3 : the temperature shown by the zero mark on a thermometer. 4 : a total lack of anything : nothing His contribution was zero.

### What is the value of x0 in algebra?

Zero to the power of zero, denoted by 00, is a mathematical expression with no agreed-upon value. The most common possibilities are 1 or leaving the expression undefined, depending on context. In algebra, combinatorics, or set theory, the generally agreed upon value is 0. Regards!

What does nought mean in math?

The British word for “zero.” It is often used to indicate 0 subscripts, so would be spoken as ” naught.”

#### Does R Plus include 0?

If I remember correctly the convention in economics is that R+ includes zero and R++ is “strictly positive” (does not contain zero).

What does V nought mean?

The symbol v0 [vee nought] is called the initial velocity or the velocity a time t = 0. It is often thought of as the “first velocity” but this is a rather naive way to describe it.