e
Synopsis
Push the symbolic constant 'e' on the stack
Stack Diagram
| Input Stack | Output Stack | |
|---|---|---|
| → | Ce | |
| Level 1 / Argument 1 | → | Level 1 |
| Keyword type | Analytic Function | |
| Parallel list processing capabilities | Group 1 | Commands that cannot parallel process |
| Affected by flags | None | |
Description
The e function pushes on the stack a symbolic representation of the constant $e$.
Application of the →NUM operator returns its closest approximation to 2000-digits accuracy, irrespective of the numeric precision defined by SETPREC. This is done to ensure maximum accuracy if the symbolic expression is ultimately converted to a real number.
Compatibility
e is not fully equivalent to its userRPL counterpart.
In particular:
- userRPL returns the closest approximation of $e$ to 12-digits accuracy.
Usage
Input
« 6 SETPREC e →NUM DUP 1 * »
Output
4:
3:
2: 2.718281828459.
1: 2.71828.
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