From: nma@12000.org   
      
   On 4/27/2021 7:37 PM, drhu...@gmail.com wrote:   
   > how to input double integral equation into wolframAlpha?   
   >   
      
   sometimes Wolfram alpha actually accepts input in standard   
   mathematica notation. Therefore   
      
      
   Integrate[1/(1 - x^2*y^2), {x, 0, 1}, {y, 0, 1}]   
      
                       Pi^2/8   
      
   Works exactly the same in Wolfram alpha   
      
   https://www.wolframalpha.com/input/?i=Integrate%5B1%2F%281+-+x%5   
   2*y%5E2%29%2C+%7Bx%2C+0%2C+1%7D%2C+%7By%2C+0%2C+1%7D%5D   
      
   --Nasser   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)