# Math Is Fun Forum

Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫  π  -¹ ² ³ °

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## #76 2014-12-08 02:57:56

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

That does not look right, what do you think went wrong?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #77 2014-12-08 03:00:37

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

Hi;
I do not know.

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #78 2014-12-08 03:02:47

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

What is it supposed to look like if you were to plot it on graph paper?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #79 2014-12-08 03:05:27

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

Hmm... Nevermind I fixed it.

Could you teach me how to graph it on graph papers? I don't do quadratic yet. I don't know anything much

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #80 2014-12-08 03:07:18

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

That is better now try

RegionPlot[x + y < 10, {x, -30, 30}, {y, -200, 200}]

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #81 2014-12-08 03:09:24

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

That looks good.

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #82 2014-12-08 03:11:38

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,989
Website

### Re: Teach David

bobbym wrote:

Look at that and all done with one command! Can you believe that is an inequality?

I cannot. I think the inequality represents a circle. What is this?

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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## #83 2014-12-08 03:12:24

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

Yea, that looks pretty good.

Can we change that color to something more interesting?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #84 2014-12-08 03:12:33

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

### Re: Teach David

It's a circle, but the inside is not fully collored.

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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## #85 2014-12-08 03:13:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

Correct a mundo!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #86 2014-12-08 03:15:26

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

### Re: Teach David

Commands are actually not that hard to read, as long as you go one by one and figure out what every bit does.

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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## #87 2014-12-08 03:15:44

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

Hey, It is suppose to look like this :

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #88 2014-12-08 03:16:24

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

One by one? So that is where I have been going wrong.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #89 2014-12-08 03:19:05

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

This is how I do M at the moment.

Good setup?

Last edited by David (2014-12-08 03:24:15)

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #90 2014-12-08 03:20:38

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

### Re: Teach David

bobbym wrote:

One by one? So that is where I have been going wrong.

Not literally. Maybe a phrase would be inside out.

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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## #91 2014-12-08 03:21:24

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,989
Website

### Re: Teach David

anonimnystefy wrote:

It's a circle, but the inside is not fully collored.

What is the point?

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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## #92 2014-12-08 03:22:26

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

Hi;

Agnishom is correct but the Mesh command is what fills it in.

Chis2, do you like the way your notebook looks?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #93 2014-12-08 03:22:40

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

To make it look colourful?

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #94 2014-12-08 03:23:02

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

To show what can be done!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #95 2014-12-08 03:23:23

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

### Re: Teach David

Agnishom wrote:
anonimnystefy wrote:

It's a circle, but the inside is not fully collored.

What is the point?

point
n.
1. A sharp or tapered end: the point of a knife; the point of the antenna; EDIT: the point of the head.

Is this what you mean?

Last edited by anonimnystefy (2014-12-08 03:24:07)

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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## #96 2014-12-08 03:23:53

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

bobbym wrote:

Hi;

Agnishom is correct but the Mesh command is what fills it in.

Chis2, do you like the way your notebook looks?

Not really. I wish I could add text in it.

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #97 2014-12-08 03:24:18

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

When people talk about points I become self-conscious.

Not really. I wish I could add text in it.

Where?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #98 2014-12-08 03:27:09

David
Member
From: Bumpkinland
Registered: 2014-04-23
Posts: 3,164

### Re: Teach David

Anywhere.

Last edited by David (2014-12-08 03:29:34)

His dominion is an everlasting dominion, Which shall not pass away, And His kingdom the one Which shall not be destroyed.

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## #99 2014-12-08 03:27:39

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Teach David

You want text in a cell?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

## #100 2014-12-08 03:27:51

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,989
Website

### Re: Teach David

Point is something an argument has.

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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