MATH GLOSSARY
Mr. X provides video presentations of hundreds of math glossary terms with videos that generally last between 30 seconds and 3 minutes. All math glossary terms are provided free of charge. Registered users can use our search engine to quickly find the glossary term desired. Our subscription service gives access to our extensive library of math lessons and math problems in six different branches of the language of basic math. Enjoy learning the language of mathematics! You'll be glad to have Mr. X as a resource to help you learn the language of math anytime day or night. The Math Glossary is ABSOLUTELY FREE for both registered users as well as subscribers.Register or subscribe today!
- Algebra Glossary
- Basic Algebra Glossary
- Advanced Algebra Glossary
- Arithmetic Glossary
- Calculus Glossary
- Geometry Glossary
- Trigonometry Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
| Title | Description | |
|---|---|---|
| Uncountable | In human terms, Uncountable means too many to practically count or enumerate. In math, an infinite function without a one-to-one correspondence to natural numbers. | ![]() |
| Uniform | Constant and unchanging; fixed. | ![]() |
| Union | The Union of two or more sets is the set of elements from all the sets. The Union of sets A and B is literally the set "A and B." | ![]() |
| Unit Circle | A Circle of radius one centered at the origin is termed the Unit Circle. | ![]() |
| Unit Vector | A vector of length one directed along one of the coordinate axes. | ![]() |
| Upper Bound | The greatest permissible value of a function may be termed its Upper Bound. | ![]() |
| Upper Quartile | Also the high quartile, the 75th percentile. | ![]() |
| Upper Quintile | Also high quintile, the 80th percentile. | ![]() |
| Upsilon | Upsilon is the 20th letter of the Greek alphabet. | ![]() |
Please send us an email with your suggestions for this glossary. We at Mr. X want this site to be as helpful as possible.


