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| Developer(s) | Bernard Parisse, Mika Heiskanen, Claude-Nicolas Fiechter |
|---|---|
| Initial release | 1993 |
| Stable release | 4.20060919 (2006-09-19)
/ 2009-04-21/2012-04-26 |
| Written in | System RPL |
| Type | Computer algebra system |
| License | LGPL |
| Website | www-fourier |
Erable is a computer algebra system (CAS) for a family of Hewlett-Packard graphing scientific calculators of the HP 40, 48 and HP 49/50 series.