Cube root function is broken

[Former user]

Originally reported on Google Code with ID 375 ``` What steps will reproduce the problem? 1. Type cbrt(240) 2. Result is 6. 3. Result should be 6.2144

What version of the product are you using? On what operating system?

0.10.1

Please provide any additional information below.

This fails on some numbers (240, 355) and works on some (335). Note that 240^(1/3) does work. ```

Reported by `[e-mail]` on 2011-04-08 07:20:03

[Former user]

``` Please use version 0.11-alpha available in the Downloads section to get this fixed. ```

Reported by `helder.pereira.correia` on 2011-04-08 07:28:38 - Status changed: `Duplicate` - Merged into: #230