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Kurzanleitung - CASIO FX-991ES
Gleichungen und Gleichungssysteme lösen
Gleichungssysteme lösen
 Lineare Gleichungssysteme (2x2 und 3x3) lösen: EQN-Modus
 Zwischen den Lösungen hin– und herschalten: ER
Gleichungen mit Variablen lösen: COMP-Modus + SOLVE
Bestimmen Sie mögliche Lösungen der Gleichung aeb=a+b
1.) für b=1
2.) für b=ln(2)
Hinweis zur Eingabe:
Komma: q)
Lösungen: 1.) a=0,58 2.) a=0,69
Gleichung
eingeben
SOLVE (qr)
B, A eingeben
>p
Lineare Gleichungssysteme: EQN-Modus
Beispiel:
Im EQN-Modus das Gleichungssystem
wählen (1), die Koeffizienten zeilenweise eingeben und die
Eingabe jeweils mit pbestätigen.
Hinweis: Ein Ergebnis wird nur bei eindeutiger Lösbarkeit des
Gleichungssystems berechnet. Ansonsten erscheint „Math
ERROR“.
Als Koeffizienten können auch Variable eingegeben werden,
wenn den Variablen vorher Zahlenwerte zugeordnet wurden.
2x2-System:1
3x3-System:2
Koeffizienten
eingeben > p
RE
784
352
yx
yx
nnn cybxa
EQN-Modus: w5
pfür neue Werte
Gleichungen lösen: COMP-Modus + SOLVE
Gegeben sei die Funktion:
Bestimmen Sie die Lösungen der Gleichung
Lösungen: x1=1 ; x2=-0,62 ; x3=1,62
²4³2)( xxxf
Gleichung
eingeben
SOLVE (qr)
Y-Wert, X-Startwert
Weitere Werte mit
p
2)(
xf
7


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Others manual(s) of Casio FX991ES

Casio FX991ES User Manual - English - 75 pages

Casio FX991ES User Manual - German - 88 pages

Casio FX991ES User Manual - Dutch - 46 pages

Casio FX991ES User Manual - French - 77 pages


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