Nabble - Graph Tool

Re: Insert function dialog

2008-11-20T02:15:47Z

Roberto <alfaxomega2000-pic <at> yahoo.it> writes:

>
> In the "Insert function" dialog window, radio button for the function type:
> log, power and exp, are always deactivated.
> I have the italian translation of Graph 4.3 build 384.
> Thenks,
> Robert
>
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>

Do you mean "Inserisci linea di tendenza"?
From Graphs help-file:

Logaritmica
Il modello logaritmico dà una linea rappresentata dalla funzione f(x) = a*ln(x)
+b, dove a e b sono delle costanti mentre ln è il logaritmo naturale. Questo
modello è ipotizzabile a condizione che tutti i punti della serie rispettino
la condizione: coordinata-x > 0.

Potenza
Il modello potenza è rappresentato dalla funzione f(x) = a*x^b, dove a e b
sono delle costanti calcolate in modo che la linea interpoli al meglio i
punti. Questo modello è ipotizzabile a condizione che tutti i punti della
serie rispettino entrambe le condizioni: coordinata-x > 0 e coordinata-y > 0.

Esponenziale
Il modello esponenziale è rappresentato dalla funzione f(x) = a*b^x, dove a e
b sono delle costanti calcolate in modo che la linea interpoli al meglio i
punti. Questo modello è ipotizzabile a condizione che tutti i punti della
serie rispettino la condizione: coordinata-y > 0.

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Re: Insert function dialog

2008-11-19T15:34:33Z

Roberto wrote:
> In the "Insert function" dialog window, radio button for the function type:
> log, power and exp, are always deactivated.
> I have the italian translation of Graph 4.3 build 384.

Sorry, but I do no not understand what you mean. There are no radio
buttons in the Insert function dialog. There is a box named Function
type, but it doesn't contain anything called log, power and exp.

Best regards
Ivan Johansen

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Insert function dialog

2008-11-19T09:12:13Z

In the "Insert function" dialog window, radio button for the function type:
log, power and exp, are always deactivated.
I have the italian translation of Graph 4.3 build 384.
Thenks,
Robert

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Re: Graphing logarithm with base 2

2008-11-18T09:42:03Z

Wolfe, Johnny wrote:
> How do your graph an equation such as
>
> Y = log x if the base is 2?

Try f(x)=logb(x, 2)

Best regards
Ivan Johansen

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Graphing logarithm with base 2

2008-11-18T09:26:13Z

How do your graph an equation such as

Y = log x if the base is 2?

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Human resources Management

2008-11-11T11:35:12Z

template

Human resources Management

إدارة الموارد البشريه

14-18 December - CAIRO

Human resources strategy using Balanced Scored Cards.
Compensation and job evaluation using grading system technique.
Job analyses and job description.
Succession planning.

إستراتيجية الموارد البشرية بإستخدام البطاقات المتوازنة.
تعويض وتقييم الوظائف بإستخدام نظام عالي التقنية.
تحليل ووصف الوظيفة.
التخطيط التعاقبي.

• 20 % discount for registration and full payment 20 Days before the date of the course.

• 10 % discount for registration and full payment 10 Days before the date of the course.

• Send four participants and take the fifth for free.

• خصم 20% عند الإشتراك والدفع قبل البرنامج بعشرين يوم.

• خصم 10% عند الإشتراك والدفع قبل البرنامج بعشرة أيام

• إرسل أربعة مشتركين واحصل علي الخامس مجاناً.

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Re: thanks and plugin question

2008-11-10T23:35:29Z

Tom Wheeler wrote:
> I teach high school math and a couple of College Algebra classes through a
> nearby university. I have enjoyed your program. I am involved in a Mathematics
> Leadership Academy with many other secondary math teachers, and plan to
> recommend Graph to them.

I am glad to hear you like it.

> Are you planning to continue the development of this software?

Yes, but I am having some difficulties finding the time.

> Do you foresee
> any major changes in the future?

Plugins will probably be the biggest change in Graph 4.4. But I am also
working on saving images as SVG and fully support for Unicode.

> I plan to develop some math lab lessons for
> students using Graph, and share these with other teachers in this area. I hope
> that you continue your good efforts.

I have no plans to stop. Actually I have a lot of plans for improvements.

> Another issue, in beta 4.4, I noticed a folder for plugins, but they are not
> available in my program. Is there something that must be done in order to
> utilize these tools within Graph?

You must install Python 2.5 from http://python.org, but it is still on a
very early stage and not very useful yet.

Best regards
Ivan Johansen

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thanks and plugin question

2008-11-10T17:41:41Z

Sir,

I teach high school math and a couple of College Algebra classes through a
nearby university. I have enjoyed your program. I am involved in a Mathematics
Leadership Academy with many other secondary math teachers, and plan to
recommend Graph to them.

Are you planning to continue the development of this software? Do you foresee
any major changes in the future? I plan to develop some math lab lessons for
students using Graph, and share these with other teachers in this area. I hope
that you continue your good efforts.

Another issue, in beta 4.4, I noticed a folder for plugins, but they are not
available in my program. Is there something that must be done in order to
utilize these tools within Graph?

Thanks for you work.

Sincerely,

Tom Wheeler

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