Variable.
a variable
It is a variable
The word REAL starts with the letter R!
There is no specific symbol. The symbol for real numbers is R and that for rational numbers is Q so you could use R \ Q.
Yes, the word 'symbol' is a noun, a singular, common, concrete noun; a word for something that stands for something else; a letter, character, or sign used instead of a word or group of words; a word for a thing.
a letter or symbol that stands for one or more numbers is a
a variable
variable
VARIABLE
It is a variable.
Variable
Iodine
It is R, which stands for Real. Really!
The astronomical symbol for the planet Uranus is the letter H. The letter stands for Herschel, who discovered Uranus in 1781.
It stands for Hydro fluoride acid.Only 1st letter is capital in a symbol of an element.
C is the symbol for the chemical element carbon.
The symbol for electrical volts is "V". <<>> The symbol for voltage is the letter E. It stands for Electromotive force known as EMF.