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

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**scientia****Member**- Registered: 2009-11-13
- Posts: 222

#1. What is the meaning of the following?

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both The positive or negative value of x

'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'

'You have made another human being happy. There is no greater accomplishment.' -bobbym

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,889

The plus/minus sign followed by a times sign? Doesn't make much sense...

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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**scientia****Member**- Registered: 2009-11-13
- Posts: 222

anonimnystefy wrote:

The plus/minus sign followed by a times sign? Doesn't make much sense...

You are very, **very**, **VERY** close to the answer.

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,889

Good times, bad times?

*Last edited by anonimnystefy (2013-03-05 04:34:37)*

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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**scientia****Member**- Registered: 2009-11-13
- Posts: 222

Nope. You were actually closer the first time.

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**scientia****Member**- Registered: 2009-11-13
- Posts: 222

If you get the hang of it, you can try the next one.

#2. [1 − cos[sup]2[/sup]()][sup]1/2[/sup]

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,889

Absolute sign of sleeping?

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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sin(sleeping)

'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'

'You have made another human being happy. There is no greater accomplishment.' -bobbym

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**scientia****Member**- Registered: 2009-11-13
- Posts: 222

@anonimnystefy: Nope.

@Agnishom: Nope.

Try again.

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