คู่มือผู้ใช้

 6:
3
√5 +
3
√-27 = -1.290024053
(LineIO) ( ) 5
( ) 27
-1.290024053
 7:
1
1
3
-
1
4
= 12
(LineIO)
3 4 12

•  


 : x
2
, x
3
,
, x
-1

   2





   2
2
2
,  2
, 
 


(MthIO-
MathO)

-


Pol   

 

Rec  

 
(1) 
 (Rec)
(2) 

 (Pol)

  r  θ  x  y  X  Y
  θ  -180° < θ ≦ 180°
 1:  (√
2, √2) 
  (  : Deg)
(MthIO-MathO)
(Pol) 2 (,) 2
r
= 2, θ = 45
30