Math Glossary: n
| Natural Logarithm | Any logarithm with Euler's number (e) as its base. A natural log is written as ln. For example, ln(e) = 1. |
| Natural Number | Any positive integer. {1,2,3,4,...} |
| Negative Number | Any integer less than 0. {...,-4,-3,-2,-1} |
| Numerator | The top number in a fraction. |