It is algebra that uses letters to represent numbers and also Roman numerals.
algebra
It is algebra that represents numbers by letters which are called variables.
A branch of mathematics in which symbols, usually letters of the alphabet, represent numbers or members of a specified set
The branch of mathematics that substitutes letters for numbers to solve for unknown values.
algebra? The unknown numbers of which you speak are called variables. "algebra" oxford dictionary definition = investigation of properties of numbers using letters etc as general symbolsAll branches of mathematics have the opportunity to utilize letters instead of numbers. This is called a variable and they are found in every branch of mathematics.
A branch of mathematics in which symbols, usually letters of the alphabet, represent numbers or members of a specified set and are used to represent quantities and to express general relationships that hold for all members of the set. - Answers.com
Arithmetic: The mathematics of integers, rational numbers, real numbers, or complex numbers under addition, subtraction, multiplication, and division. Algebra: A branch of mathematics in which symbols, usually letters of the alphabet, represent numbers or members of a specified set and are used to represent quantities and to express general relationships that hold for all members of the set.
A branch of mathematics in which symbols, usually letters of the alphabet, represent numbers or members of a specified set and are used to represent quantities and to express general relationships that hold for all members of the set.
The branch of mathematics that deals with general statements of relations, utilizing letters and other symbols to represent specific sets of numbers, values, vectors, etc., in the description of such relations.
Algebra is the branch of mathematics that uses letters called variables in place of numerals. Algebra is an extremely important foundation of every branch of mathematics.
Algebra uses letters to represent unknown numbers.
No trig is using triangles to measure distance and angles, algebra is a branch of mathematics where letters are used to represent unknown numbers eg. a + b = c, what is b if a = 1 and c = 3