Symbols are used in all branches of math to represent a formula or procedure, express a condition or to denote a constant. The four basic operations are denoted by the following symbols: “+” implies addition, “-“ implies... More »

The union symbol in math, which looks like a capital U, is used when it is necessary to denote the collection of all the elements of two or more sets together. The union of sets is one of the fundamental operations in se... More »

The Penn State University has a glossary of commonly used keyboard symbols for accented letters, foreign characters, currency, math symbols and punctuations. Alt codes for instant messaging, drawing, arrows and trademark... More »

"Digits" are the symbols or characters used to represent a number visually. A number like five contains one digit, whereas a number like 555 contains three digits. This is easily seen when they are written as numerals: 5... More »

A math equation writer is a program that allows the user to input numbers and symbols to obtain an output of a function that is properly formatted. Most computer programs like Microsoft Word do not allow the user to use ... More »

In mathematics, adding numbers, items or amounts produces a sum. The word also refers to a group of arithmetic problems given as a classroom assignment. As a verb, to sum is to find the total of added amounts. More »

Standard form refers to the simplest and clearest representation of a number, formula or equation. The specific standard form of a term or equation depends on what the subject is. More »