It is called a variable.
variable
In maths the symbols x and n are usually used to represent an unknown quantity. These may be referred to as a variable.
Yes. Although it can also be used for constants whose value is not yet known.
No, there is not.
The symbols used are called variables.
A variable
It is called a variable.
Variable
The triangle symbol that means change is called the delta symbol. It is commonly used in mathematics and science to represent a change in quantity or variable.
x or any other variable
variable
a variable
In maths the symbols x and n are usually used to represent an unknown quantity. These may be referred to as a variable.
An elipsis or * * * is used to present a change of scene.
The symbol used to represent the word "which" is typically "?".
The "s" on top of an "s" symbol is typically used in mathematics to represent integration and is called the integral symbol. It is used to denote the process of finding the area under a curve or the accumulation of a quantity over an interval.
X is the symbol for multiplication, as in 2X2=4 X (or any other letter) is often used to represent an unknown quantity.