คู่มือผู้ใช้

  



  



 
 1: 4 × sin30 × (30 + 10 × 3) = 120
*1 
  sin, sinh  


*2 
 (×) 
 


,  sin  

,  Ran# (
),  (A, B, C, D, E, F, M, X, Y), 
 , π  e
*3 


 2: 
*2

*3


4
30 30 10 3


   



 


 
 

 

 

  






 

  

 


 

  




  99 
 ,    
 1    3 13 
  


 
 10   
  
15