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# TI-BASIC
*[The language varies based on which calculator it is used on, but these will use the TI-84 unless otherwise noted.]*

### Length 1 snippet
 e
This is Euler's number, which displays as `2.718281828`. TI-BASIC also has the constant `π`, but that was used above.

### Factoid
Variables can only store certain datatypes. For example, `A` – `Z` (and <code>&theta;</code>) store numerical values, `str0` – `str9` store strings, and `[A]` – `[J]` store matrices (2&times;2 arrays).