Gamma Functions
                          
                        
                    
                    
                    Compute values for complete gamma, digamma, polygamma and incomplete gamma functions.
                             Compute properties of the gamma function:
                            
                        
                             Compute exact values of gamma at half integers:
                            
                        
                             Simplify expressions involving gamma:
                            
                        
                             Numerically compute digamma and polygamma:
                            
                        
                             Numerically compute the incomplete gamma function:
                            
                        
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                           Factorial-Type Operations
                          
                        
                    
                    
                    Do symbolic or numerical computations on factorial and double factorial functions.
                             Analyze the factorial function:
                            
                        
                             Compute values of the double factorial:
                            
                        
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                           Pochhammer Symbols
                          
                        
                    
                    
                    The Pochhammer symbol is the notation used in special functions to represent the rising factorial, also known as the ascending factorial.
                             Compute specific Pochhammer symbols:
                            
                        
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