Search results
Results from the Health.Zone Content Network
Fibonacci sequence. A tiling with squares whose side lengths are successive Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13 and 21. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn .
Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.
The All-Russian Mathematical Portal (better known as Math-Net.Ru) is a web portal that provides extensive access to all aspects of Russian mathematics, including journals, organizations, conferences, articles, videos, libraries, software, and people.
In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context. Mathematical symbols can designate numbers ( constants ), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of ...
2. Denotes the additive inverse and is read as negative or the opposite of; for example, –2. 3. Also used in place of \ for denoting the set-theoretic complement; see \ in § Set theory. × (multiplication sign) 1. In elementary arithmetic, denotes multiplication, and is read as times; for example, 3 × 2. 2.
Dyscalculia is a math learning disability or mathematics learning disorder. It's not unusual for a child to have a tough time with math homework now and then. But if they have problems with ...
Access your WebMD account to get personalized health information, tips, and services from the leading online source of medical news.
This attribute of a number, being exclusively either zero (0), positive (+), or negative (−), is called its sign, and is often encoded to the real numbers 0, 1, and −1, respectively (similar to the way the sign function is defined). [1] Since rational and real numbers are also ordered rings (in fact ordered fields ), the sign attribute also ...