In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns). A term is a combination of letters and/or numbers, often multiplied ...

Parsing algebraic expressions ... parse returns a full expression to produce: (2+(4*2)). If that was too fast, read the post which has a nice flowchart and an example step-by-step parse of 1+2-3*4 ...