Square roots: 
   Steps using calculator s4= 
     Steps using calculator s(2+7)= 
     Steps using calculator s4+7= 
   
     Steps using calculator 
s(3+13)+s(16+9)= 
 
 
 
  
 Steps using calculator  
3s4O(s2-s3)= 
 
Factorial:  
3! = 6 Steps using calculator 3qu= 
  Steps using calculator 12ua10qu= 
 
 Percentage:  
70% of 120 
Steps using calculator: 120O70q= 
 
145% of 80  
Steps using calculator 80O145q= 
 
What percent of 880 is 660?  
Steps using calculator 660P880q= 
 
Increase 2500 by 15 %  
Steps using calculator 2500O15q=+ 
 
Decrease 2500 by 15%  
Steps using calculator 2500O15q=-