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Précautions concernant la saisie de données
•En appuyant sur S S, vous saisissez deux fois les
mêmes données.
•Vous pouvez aussi entrer plusieurs fois la même don-
née en utilisant
A G. Pour saisir les données “20 et
30” cinq fois, par exemple, appuyez sur 20
P 30 A
G 5 S.
Les résultats précédents peuvent être obtenus en
choisissant un autre ordre que celui indiqué ci-dessus.
•Pour annuler une donnée qui vient juste d’être saisie,
appuyez sur
A U.
Calculs de nombres complexes
(Mode CMPLX)
•Appuyez sur F 2 pour entrer dans le mode CMPLX
pour les calculs comprenant des nombres complexes.
•Vous pouvez utiliser les variables A, B, C et M seulement.
Les variables D, E, F, X et Y servent pour la sauvegarde
des parties imaginaires de valeurs, vous ne pouvez donc
pas les utiliser.
Exemple: (2 + 3
i) + (4 + 5i)
Entrez dans le mode CMPLX avec
F 2
R 4 + 5 i T =
6.
Partie réelle du nombre
A r
8.
i
Partie imaginaire du nombre
k Calcul de valeur absolue/argument
La procédure suivante peut être utilisée pour déterminer
la valeur absolue (Abs) et l'argument (arg) d'un nombre
complexe de format Z =
a + bi, supposé exister comme
coordonnées d'un plan gaussien.
R 2 + 3 i T +
26


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