Permutation Calculator

Cap: n ≤ 100 to prevent heavy calculations.

If batch present, single n/r inputs are ignored. Format each pair as n,r.


      


      


      
      

    


    
    

      
Visualization

      

        
      

      
Chart uses log10(values) to keep large numbers viewable.

    


    
    

      
Combinatorics

      
Quick calculations for comparison

      

        
        
      

      

        
        
      

      

        
      

      

    


    
    

      
History

      

        
        
      

      
    
    
    

    
    All calculations are client-side using math.js. Exports limited to 10MB. No data sent to servers.