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-rw-r--r--help/C/functions.page8
1 files changed, 8 insertions, 0 deletions
diff --git a/help/C/functions.page b/help/C/functions.page
index 0da00cf..f1db17b 100644
--- a/help/C/functions.page
+++ b/help/C/functions.page
@@ -37,6 +37,10 @@
<td><p><link xref="trigonometry">Hyperbolic Cosine</link></p></td>
</tr>
<tr>
+ <td><p>erf</p></td>
+ <td><p>Gauss Error function</p></td>
+ </tr>
+ <tr>
<td><p>frac</p></td>
<td><p>Fractional Component</p></td>
</tr>
@@ -84,6 +88,10 @@
<td><p>twos</p></td>
<td><p>Twos complement</p></td>
</tr>
+ <tr>
+ <td><p>zeta</p></td>
+ <td><p>Riemann zeta function</p></td>
+ </tr>
</table>
<p>
<app>MATE Calculator</app> does not support user-defined functions.