คู่มือผู้ใช้

• 


 

  







 
• 





 
: 
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

:
, (M-), (STO) Pol, Rec 

 


5. 






• 
• 









•  





(INEQ) 


 








 
 INEQ
 1: x
2
+ 2x - 3 < 0 (MthIO-MathO)
(INEQ) (aX
2
+ bX + c)
(aX
2
+ bX + c < 0)
1 2 3
 2: x
2
+ 2x - 3 ≧ 0 (MthIO-MathO)
(INEQ)
(aX
2
+ bX + c)
(aX
2
+ bX + c ≧ 0)
1 2 3
45