What signs are used to represent information when writing arithmetic expressions.

To represent information when writing arithmetic expressions, numbers from 0 to 9, letters of the Latin alphabet (lowercase or uppercase), as well as signs of arithmetic operations can be used:

“+” – addition;
“-” – subtraction;
“*” – multiplication;
“/” – division;
div – find the integer part of a number when dividing one number by another
(for example a div b);
mod – finding the remainder of dividing one number by another
(for example a mod b).

In addition, various functions can be used in an arithmetic expression:

abs – calculating the absolute value of a number;
sqr – square a number;
sqrt – Square root extraction and other functions.