document math/log

Author: cmontella

v0.3/handbook/libraries/stdlib.md

@@ -316,6 +316,34 @@ bind
   </tr>
 </table>
 
+<table class="libitem">
+  <tr>
+    <td colspan="2">
+      <b>math/log</b> - Calculate the natural log of a value
+    </td>
+  </tr>
+
+  <tr>
+    <td>
+      <ul>
+        <li><strong>value</strong> - the value to take the log of</li>
+      </ul>
+    </td>
+    <td>
+      <code>
+calculate the log of 17
+```
+search
+  x = math/log[value: 17]
+
+bind
+  [#ui/text text: "log(17) = {{x}}"]
+```
+</code>
+    </td>
+  </tr>
+</table>
+
 <table class="libitem">
   <tr>
     <td colspan="2">