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**gAr****Member**- Registered: 2011-01-09
- Posts: 3,479

I was browsing the geogebra forum and saw this:

http://www.geogebra.org/forum/viewtopic.php?f=2&t=23195

"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,827

Hi gAr;

Isn't that beautiful. What a nice toy!

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**pisquared****Member**- Registered: 2011-08-25
- Posts: 10

WHAAAAT?? I barely undertood how to use geogebra! How'd they do that?

How many times can you subtract 7 from 83, and what is left afterwards? You can subtract it as many times as you want, and it leaves 76 every time. ~Author Unknown

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,827

Hi;

I can not do that either. Geogebra is a tool and some people will just use it better than others. But it is useful for everyone.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**gAr****Member**- Registered: 2011-01-09
- Posts: 3,479

Hi bobbym,

Yes, they are beautiful!

Hi pisquared,

I don't have much idea how it was constructed.

"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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**alxfrdz_agm****Member**- Registered: 2011-11-19
- Posts: 5

i got some problem to use that, maybe english is not my main language

if you have some tutorial, i will be happy to see that

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,827

Hi alxfrdz_agm;

Welcome to the forum. can you be a little more specific? What kind of help do you need?

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,015

hi Winse

Welcome!

*Last edited by anonimnystefy (2011-12-25 00:24:07)*

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**John E. Franklin****Member**- Registered: 2005-08-29
- Posts: 3,588

I enjoyed reading the francais (French) error page in the thread. Very educational for me.

**igloo** **myrtilles** **fourmis**

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**Sumasoltin****Member**- Registered: 2012-04-28
- Posts: 30

Maybe I know how to make this. Can it graph inequalities in different color?

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