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--- variable [2015/01/21 10:33] – created rupert
+++ variable [2015/01/21 15:43] (current) – rupert
@@ Line 1: / Line 1: @@
-A variable is a quantity in an equation or other mathematical expression which is represented by a letter, like $x$, $y$, etc.
+A **variable** is a quantity in an equation or other mathematical expression which is represented by a letter or a similar symbol, like $x$, $y$, $z$, $x_1$, $x_2$, $x_3$, etc.
+== See also ==
+  * [[wp>Variable (mathematics)]]