Thanks!  I could not believe how easy you have made it to access javascript.  

On Jan 13, 2010, at 11:13 PM, Scott Henninger wrote:

> Arthur, I think you are referring to SPINx.  You can find more on this
> at Help >  SPIN > Using JavaScript to define SPIN/SPARQL Functions,
> but to summarize, you need to:
> 
> 1. import TopBraid/TBC/spinx.owl into your SPIN model (or when
> creating a new SPIN model check "file may declare JavScript
> functions..."
> 
> 2. Create a SPIN function with the same name as the JavaScript
> function
> 
> 3. Reference your JavaScript file in the spinx:javaScriptFile
> 
> (You can alternatively define the JavaScript directly in
> spinx:JavaScriptCode)
> 
> The Math library from JavaScript is available to do sin(), cos(), max
> (), PI, etc.
> 
> -- Scott
> 
> On Jan 13, 7:44 pm, Arthur Keen <[email protected]> wrote:
>> I need to use expressions containing math functions like sqrt, power ,etc., 
>> and constants like pi and e in the LET part of my spin rules.  I came across 
>> some examples on the web that use a math: namespace, Is there a library that 
>> I can access?  I vaguely recollect a discussion in the group a long time 
>> back on doing this using javascript?  
>> Arthur
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