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user 85795's user avatar
user 85795's user avatar
user 85795
  • Member for 12 years, 3 months
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28 votes

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

23 votes

How to read a book in mathematics?

7 votes

what is the definition of Mathematics ?

6 votes

Most ambiguous and inconsistent phrases and notations in maths

5 votes

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

5 votes

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

4 votes

How to deal with the temporary nature of my knowledge?

4 votes

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

4 votes

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

3 votes
Accepted

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

3 votes

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

3 votes

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

2 votes

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

2 votes

Percent word problem - calculate store cost

2 votes
Accepted

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

2 votes
Accepted

How to calculate orginal amount?

2 votes

Number of songs sung.

1 vote

What's the intuition behind Pythagoras' theorem?

1 vote

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

1 vote
Accepted

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

1 vote

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

1 vote
Accepted

Halmos on Definability and Luzin on Division by 0

0 votes

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

0 votes

Area dimensions

0 votes
Accepted

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

-1 votes
Accepted

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

-1 votes

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

-2 votes

What is the difference between equation and formula?

-2 votes

What makes it legitimate to multiply both sides?