That is called a font.
Just use letters and numbers, no symbols.
style
because the Ancient Romans did not have symbols for numbers.
Variables (letters like x and y)
That is called a font.
A combination of letters and numbers and symbols is a character set. To use a formula to combine letter and numbers and symbols is known as concatenation.
because of my nan
OUIJA
Just use letters and numbers, no symbols.
Algebra makes use of letters and mathematical symbols.
style
one that has a lot of random letters, numbers, and symbols
because the Ancient Romans did not have symbols for numbers.
No, they do not. Although it is using letters to represent numbers, Roman numbers are fixed symbols, unlike letters in algebra which represent variables.
It makes clear that the following symbols should be read as numbers. Some Braille symbols do double duty as letters and numbers, and there are symbols that flag that the following should be read as numbers or as letters. en.m.wikipedia.org/wiki/English_Braille#Contractions
The text appearance and shape of letters, numbers, punctuation marks, and symbols are defined by fonts. Fonts are sets of characters with a specific design style, size, and weight that determine how text is displayed on a screen or in print. Different fonts can give text a variety of looks and moods.