คู่มือผู้ใช้
(INEQ) (aX
2
+ bX + c)
(aX
2
+ bX + c ≧ 0)
1 0 0
• "No-Solution"
( X
2
< 0)
(RATIO) (
fx-95ES PLUS
)
RATIO X a : b = X : d ( a : b = c :
X)
a, b, c d
RATIO
1. (RATIO)
RATIO
2.
(a:b=X:d)
(a:b=c:X)
3.
10
(a, b, c, d)
•
3 : 8 = X : 12 X,
1
(a = 3, b = 8, d = 12): 3
8 12
•
•
:
:
, (M-), (STO) Pol, Rec
4.
• (
X)
!
• Math ERROR
0
47