Posté le 07/06/2024 08:51
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Citer : Posté le 07/06/2024 09:34 | #
Salut,
Tu peux tout initialiser avec SHIFT puis 9 et de sélectionner 'Tout initialiser' en appuiant 3.
vérifie que t'as pas de donnée importante avant d'initialiser.
Citer : Posté le 07/06/2024 09:41 | #
Salut,
Tu peux tout initialiser avec SHIFT puis 9 et de sélectionner 'Tout initialiser' en appuiant 3.
vérifie que t'as pas de donnée importante avant d'initialiser.
En effet, j'aurais du le specifier mais j'ai déjà fait les manipulations de base, comme supprimer la mémoire existante mais rien a y faire, ca ne marche toujours pas, merci quand même pour ta réponse
Citer : Posté le 07/06/2024 09:50 | #
Tu tapes bien Shift+Calc pour lancer la résolution, pas Exe ? (Et ton X c'est bien Alpha+Parenhèse fermante ?)
Tu noteras que Solve utilise la méthode de Newton donc tu dois d'abord spécifier une valeur initiale pour X et ensuite il cherche des solutions en "explorant" la fonction à partir de la valeur que tu lui donnes.
Citer : Posté le 07/06/2024 09:50 | #
The first screen you will see after pressing SHIFT+CALC (SOLVE) should be like this:
Solve for X
0
The "0" here is not the answer for your formula, but rather the current value of X. You set the initial value of X by entering a value and press [EXE]. For your formula, just press [EXE] to show the second screen:
10=8+X
X=2
L-R=0
The second line is the answer.
Citer : Posté le 07/06/2024 09:54 | #
Tu tapes bien Shift+Calc pour lancer la résolution, pas Exe ? (Et ton X c'est bien Alpha+Parenhèse fermante ?)
Tu noteras que Solve utilise la méthode de Newton donc tu dois d'abord spécifier une valeur initiale pour X et ensuite il cherche des solutions en "explorant" la fonction à partir de la valeur que tu lui donnes.
Oui c'est bien ce que je faisais mais le commentaire en dessous a résolu mon problème, merci quand même !
Citer : Posté le 07/06/2024 09:56 | #
The first screen you will see after pressing SHIFT+CALC (SOLVE) should be like this:
Solve for X
0
The "0" here is not the answer for your formula, but rather the current value of X. You set the initial value of X by entering a value and press [EXE]. For your formula, just press [EXE] to show the second screen:
10=8+X
X=2
L-R=0
The second line is the answer.
Hello, thank you for everythin ! In fact it was enough to make exe to have the solution. It wasn't that difficult ahah, but thanks for everything, you saved me! Have a nice day!
Citer : Posté le 07/06/2024 10:19 | #
You're welcome, I'm glad that this solves your confusion
Hello, thank you for everythin ! In fact it was enough to make exe to have the solution. It wasn't that difficult ahah, but thanks for everything, you saved me! Have a nice day!
Yeah, but for polynomials like "X^2=4", the initial value is important as it affects not only the processing time, but also the result. For example, if you enter -1, X will be -2 as it is the nearest root when compared to the value you set. Thus X=2 when you enter 1 instead.
However, if you enter 0, since it's equally near to both roots, in my fx-991ES PLUS 2nd edition this takes significantly longer time to calculate. The result for such case tends to +ve direction, so it is 2.
(Off-topic: it's pretty rare to see an fx-991ES PLUS question here as French students typically have fx-92 Collège and not this calculator.)
Citer : Posté le 07/06/2024 11:27 | #
You're welcome, I'm glad that this solves your confusion
Hello, thank you for everythin ! In fact it was enough to make exe to have the solution. It wasn't that difficult ahah, but thanks for everything, you saved me! Have a nice day!
Yeah, but for polynomials like "X^2=4", the initial value is important as it affects not only the processing time, but also the result. For example, if you enter -1, X will be -2 as it is the nearest root when compared to the value you set. Thus X=2 when you enter 1 instead.
However, if you enter 0, since it's equally near to both roots, in my fx-991ES PLUS 2nd edition this takes significantly longer time to calculate. The result for such case tends to +ve direction, so it is 2.
(Off-topic: it's pretty rare to see an fx-991ES PLUS question here as French students typically have fx-92 Collège and not this calculator.)
Ok ok thank u for all my friend ! And that's because I am currently studying in Switzerland, that's the reason why I am using this calculator
Citer : Posté le 07/06/2024 11:48 | #
Ok ok thank u for all my friend ! And that's because I am currently studying in Switzerland, that's the reason why I am using this calculator
Ah, I see. Thanks for the reply and good luck with your exam!