Enter a number in the white input box below.
Do not enter numbers that have more than two digits.
            X =              
In the pink input box, below, you can delete the e,
and enter any one or two digit number you choose.
            B =              
                               
                               
This calculation is performed with the following formula
                               
                         
-  
2
 
                               
This calculation is performed with the following formula
                               
                           
+  
  2    
                               
                               
This calculation is performed with the following formula
                               
                             
-1
 
                           
                               
                               
This calculation is performed with the following formula
                               
                             
 
                         
                               
                               
This calculation is performed with the following formula
                               
                               
2
   
          +                
                               
                               
This calculation is performed with the following formula
                               
                               
2
   
          -                
                               
 
  
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