User user 85795

28 votes

How many digits of $\pi$ are currently known?

answered May 31, 2012 at 9:40

22 votes

How to read a book in mathematics?

answered Jun 21, 2013 at 11:45

7 votes

what is the definition of Mathematics ?

answered Sep 5, 2013 at 11:38

6 votes

Most ambiguous and inconsistent phrases and notations in maths

answered Nov 20, 2014 at 11:27

5 votes

When an equation has no solutions, denote it with $x\in\varnothing$.

answered Nov 20, 2014 at 19:48

5 votes

Factor $14x^2 - 17x + 5$.

answered Mar 29, 2012 at 5:32

4 votes

How to deal with the temporary nature of my knowledge?

answered May 8, 2012 at 12:19

4 votes

Does "iff" mean "if and only if" $(\Longleftrightarrow)$?

answered Jul 12, 2012 at 22:17

4 votes

$-3^2 = 9?\ $ Correct syntax for a negative number with an exponent.

answered Aug 3, 2015 at 5:09

3 votes

Accepted

How to improve concentration when beginning to work on a math problem that seems boring?

answered Dec 2, 2014 at 1:17

3 votes

Is there a term for any number that is $2^n$?

answered Aug 16, 2013 at 9:00

3 votes

Could somebody please help me prove $\frac{a}1=a$ using the properties of real numbers introduced in elementary algebra?

answered Mar 5, 2014 at 23:29

2 votes

Find five consecutive odd integers such that their sum is $55$.

answered Dec 28, 2013 at 13:20

2 votes

Percent word problem - calculate store cost

answered Mar 28, 2014 at 7:37

2 votes

Accepted

How to calculate orginal amount?

answered Oct 4, 2012 at 6:00

2 votes

Accepted

High school math definition of a variable: the first step from the concrete into the abstract...

answered Oct 4, 2012 at 8:16

2 votes

Number of songs sung.

answered Oct 19, 2012 at 11:44

1 vote

What's the intuition behind Pythagoras' theorem?

answered Jul 28, 2018 at 5:20

1 vote

Why is the word "of" equivalent to multiplying in fraction word problems?

answered Sep 25, 2015 at 8:50

1 vote

How to simplify this square $(3 \times 4 + 2)^2$?

answered Sep 21, 2012 at 15:46

1 vote

Accepted

Halmos on Definability and Luzin on Division by 0

answered Jul 7, 2014 at 3:42

1 vote

Accepted

What is the name of the Speed, Distance, Time relationship?

answered Jul 18, 2014 at 10:05

0 votes

Factoring by grouping: $x^4 - y^4 -4x^2 + 4$

answered Jun 28, 2012 at 10:01

0 votes

Accepted

How do I prove the corollary to the multiplicative property of $0$?

answered Dec 1, 2021 at 12:43

0 votes

Area dimensions

answered Jun 26, 2015 at 1:42

-1 votes

Accepted

"the product of the factors" versus "the factors of the product"

answered Oct 5, 2012 at 1:44

-1 votes

Does $\frac{x}{x}=1$ when $x=\infty$?

answered Aug 28, 2015 at 9:00

-2 votes

What makes it legitimate to multiply both sides?

answered Oct 23, 2015 at 7:59

-2 votes

What is the difference between equation and formula?

answered May 3, 2014 at 18:38

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29 Answers

How many digits of $\pi$ are currently known?

How to read a book in mathematics?

what is the definition of Mathematics ?

Most ambiguous and inconsistent phrases and notations in maths

When an equation has no solutions, denote it with $x\in\varnothing$.

Factor $14x^2 - 17x + 5$.

How to deal with the temporary nature of my knowledge?

Does "iff" mean "if and only if" $(\Longleftrightarrow)$?

$-3^2 = 9?\ $ Correct syntax for a negative number with an exponent.

How to improve concentration when beginning to work on a math problem that seems boring?

Is there a term for any number that is $2^n$?

Could somebody please help me prove $\frac{a}1=a$ using the properties of real numbers introduced in elementary algebra?

Find five consecutive odd integers such that their sum is $55$.

Percent word problem - calculate store cost

How to calculate orginal amount?

High school math definition of a variable: the first step from the concrete into the abstract...

Number of songs sung.

What's the intuition behind Pythagoras' theorem?

Why is the word "of" equivalent to multiplying in fraction word problems?

How to simplify this square $(3 \times 4 + 2)^2$?

Halmos on Definability and Luzin on Division by 0

What is the name of the Speed, Distance, Time relationship?

Factoring by grouping: $x^4 - y^4 -4x^2 + 4$

How do I prove the corollary to the multiplicative property of $0$?

Area dimensions

"the product of the factors" versus "the factors of the product"

Does $\frac{x}{x}=1$ when $x=\infty$?

What makes it legitimate to multiply both sides?

What is the difference between equation and formula?