User Manual
2-25
 [OPTN]  -  [CALC]  -  [SolvN] f( x ) ﺔﻔﻴﻇﻮﻟﺍ ﻞﺣ  k
.ﺔﻴﺒﻴﻛﺮﺘﻟﺍ ﺕﻼﺧﺪﳌﺍ ﻲﻫ ﻩﺬﻫ ﻭ .ﻱﺩﺪﻌﻟﺍ ﻞﻠﶈﺍ ﻡﺍﺪﺨﺘﺳﺎﺑ 
f( x ) ﺔﻔﻴﻇﻮﻟﺍ ﻞﳊ SolvN ﻡﺍﺪﺨﺘﺳﺍ ﻚﻨﻜﳝ 
SolvN (ﺮﺴﻳﻷﺍ ﺐﻧﺎﳉﺍ [=ﻦﳝﻷﺍ ﺐﻧﺎﳉﺍ] [,ﺮﻴﻐﺘﻣ] [, ﻰﻧﺩﻷﺍ ﺪﳊﺍ, ﻰﺼﻗﻷﺍ ﺪﳊﺍ])
.ﻰﺼﻗﻷﺍ ﺪﳊﺍ ﻭ ﻰﻧﺩﻷﺍ ﺪﳊﺍ ﻭ ﺮﻴﻐﺘﳌﺍ ﻭ ﻦﳝﻷﺍ ﺐﻧﺎﳉﺍ ﻑﺬﺣ ﻦﻜﳝ  •
 ﻑﺬﺣ ﺪﻨﻋ . ﻭ ،r ،Z ﻝﻼﺧ A ﺔﻤﻋﺪﳌﺍ ﺕﺍﺮﻴﻐﺘﳌﺍ ﻥﻮﻜﺗﻭ .ﺮﻴﺒﻌﺘﻟﺍ ﻞﺣ "ﺮﺴﻳﻷﺍ ﺐﻧﺎﳉﺍ [=ﻦﳝﻷﺍ ﺐﻧﺎﳉﺍ]" ﻥﻮﻜﻳﻭ  •
.0 = ﻦﳝﻷﺍ ﺐﻧﺎﳉﺍ ﻡﺍﺪﺨﺘﺳﺎﺑ ﻞﳊﺍ ﻱﺮﺠﻴﻓ ﻦﳝﻷﺍ ﺐﻧﺎﳉﺍ
 ﺪﻳﺪﲢ ﻑﺬﺤﺑ ﺐﺒﺴﺘﻳ ﻭ 
.( ﻭ ،r ،Z ﻰﻟﺍ A) ﻝ ﺎﻬﻠﺣ ﺐﺠﻳ ﻲﺘﻟﺍ ﺕﺍﺭﺎﺒﻌﻟﺍ ﻲﻓ ﺓﺩﻮﺟﻮﻣ ﺔﻤﻴﻗ ﺮﻴﻐﺘﳌﺍ ﺩﺪﺤﻳ ﻭ  •
.ﺮﻴﻐﺘﻤﻛ X ﻡﺍﺪﺨﺘﺳﻻ ﺮﻴﻐﺘﳌﺍ
.ﻕﺎﻄﻨﻛ ﺮﻴﺒﻌﺗ ﻭﺃ ﺔﻤﻴﻗ ﻝﺎﺧﺩﺇ ﻚﻨﻜﳝ ﻭ .ﻝﻮﻠﳊﺍ ﻕﺎﻄﻧ ﻰﺼﻗﻷﺍ ﺪﳊﺍ ﻭ ﻰﻧﺩﻷﺍ ﺪﳊﺍ ﺩﺪﺤﻳ ﻭ  
•
 .ﺞﺠﳊﺍ ﻦﻣ ﻱﺃ ﻲﻓ ﺔﻴﻟﺎﺘﻟﺍ ﻒﺋﺎﻇﻮﻟﺍ ﻡﺍﺪﺨﺘﺳﺍ ﻦﻜﳝ ﻻ ﻭ  •
Solve(, d   
2 
/ dx 
2
(   , FMin(, FMax(, Σ (    
.ListAns ﻞﻜﺷ ﻲﻓ ﺎﻌﻣ ﺔﻴﺑﺎﺴﺣ ﺕﺎﻴﻠﻤﻋ 10 ﻰﺘﺣ ﺞﺋﺎﺘﻧ ﺽﺮﻋ ﻦﻜﳝﻭ 
.ﻝﻮﻠﺣ ﺪﺟﻮﺗ ﻢﻟ ﺍﺫﺍ 
"No Solution" ﺔﻟﺎﺳﺭ ﺽﺮﻌﺗ  •
.SolvN ﺏ ﺽﺮﻌﺗ ﻲﺘﻟﺍ ﺮﻴﻏ ﻯﺮﺧﺃ ﻝﻮﻠﺣ ﺪﺟﻮﺗ ﺎﻣﺪﻨﻋ "More solutions may exist." ﺔﻟﺎﺳﺭ ﺽﺮﻌﺗﻭ  •
 x 
2 
– 5 x – 6 = 0 ﻞﳊ  ﻝﺎﺜﳌﺍ
 K4(CALC) * 5(SolvN)       
 vx-fv-g)w      
* fx-7400G III :  3 (CALC)      
 J   
 [ OPTN]  -  [CALC]  -  [  d /  dx] ﺔﻴﻠﺿﺎﻔﺘﻟﺍ ﺔﻴﺑﺎﺴﳊﺍ ﺕﺎﻴﻠﻤﻌﻟﺍ  k
.ﺔﻴﻟﺎﺘﻟﺍ ﺐﻴﻛﺍﺮﺘﻟﺍ ﻡﺍﺪﺨﺘﺳﺎﺑ 
ﹰ
ﺎﻤﻴﻗ ﻞﺧﺩﺃ ﻢﺛ ،ﺔﻔﻴﻇﻮﻟﺍ ﻞﻴﻠﲢ ﺔﻤﺋﺎﻗ ﺽﺮﻌﺑ 
ﹰ
ﻻﻭﺍ ﻢﻗ ،ﺔﻴﻠﺿﺎﻔﺘﻟﺍ ﺔﻴﺑﺎﺴﳊﺍ ﺕﺎﻴﻠﻤﻌﻟﺍ ﺀﺍﺮﺟﻹ
* fx-7400G III :  3(CALC)  K4(CALC) * 2( d / dx ) f ( x ) ,a ,tol )
(
ﺡﺎﻤﺴﻟﺍ : tol  ،ﻖﺘﺸﳌﺍ ﺪﻳﺪﲢ ﺪﻳﺮﺗ ﻲﺘﻟﺍ ﺔﻄﻘﻨﻟﺍ : a  )   
:ـﻛ ﺔﻴﺑﺎﺴﳊﺍ ﺔﻴﻠﻤﻌﻟﺍ ﻦﻣ ﻉﻮﻨﻟﺍ ﺍﺬﻫ ﻞﺿﺎﻔﺗ ﻒﻳﺮﻌﺗ ﻢﺘﻳ 
d
/
dx
(
f
(
x
)
,
a
)
⇒
f
(
a
)
dx
d
f
(
a
+
A
x
)–
f
(
a
)
f
 (
a
) = lim
 –––––––––––––
A
x
A
x
→
0
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