User Peter Phipps

11 votes

Do We Need the Digits of $\pi$?

answered Oct 17, 2011 at 11:37

7 votes

Accepted

Finding solutions to $(4x^2+1)(4y^2+1) = (4z^2+1)$

answered Jun 25, 2012 at 17:54

7 votes

Question related to regular pentagon

answered Jul 13, 2012 at 14:29

7 votes

What is the next number?

answered Mar 17, 2014 at 20:59

5 votes

Accepted

Find the pattern - puzzle

answered Aug 17, 2013 at 17:57

5 votes

How to prove the following numbers odd and even respectively?

answered Apr 30, 2014 at 10:07

5 votes

How is this read correctly (problem with brackets)? 2^2048 - 2^1984 - 1 + 2^64 * { [2^1918 pi] + 124476 }

answered Jun 10, 2019 at 23:31

5 votes

What way can someone color this image to illustrate the Four Color Theorem?

answered Jun 2, 2022 at 21:17

5 votes

Does this equation have a solution?

answered Dec 9, 2022 at 16:15

4 votes

Maximize area of a triangle with fixed perimeter

answered Jun 8, 2013 at 13:31

4 votes

Find the remainder of a number with a large exponent

answered Sep 27, 2015 at 22:39

4 votes

Accepted

how MIX subtractions works with "packed" words

answered Sep 14, 2012 at 17:26

4 votes

3xy + 14x + 17y + 71 = 0 need some advice

answered Jul 26, 2012 at 18:24

4 votes

Accepted

How to $\int \sqrt{10x-x^2}dx$

answered Apr 24, 2012 at 10:34

3 votes

Which is the greatest possible natural number that divides $(p+3)(p-7)$, where $p$ is a prime number greater than $3$?

answered Dec 3, 2011 at 14:55

3 votes

Zeros of the decimal representation of $k!$

answered Sep 13, 2011 at 10:12

3 votes

Can someone explain the math used in this query?

answered Oct 8, 2012 at 15:07

3 votes

How to calculate number of digits of a large number?

answered Jan 8, 2013 at 12:14

3 votes

"How I wish I could calculate pi" analogs...

answered Jan 23, 2013 at 0:23

3 votes

How to simulate Monty Hall problem in computer?

answered May 31, 2012 at 15:35

3 votes

Accepted

What are the carried numbers called in an Addition problem

answered Jun 5, 2012 at 15:28

3 votes

Accepted

any other symmetrical number like this?

answered Mar 12, 2020 at 21:20

3 votes

Solving factorial equation $ x!=\left(x-1\right)! + 96 $

answered Jun 19, 2021 at 16:02

2 votes

How to solve for unknown symbols in a base-3 number system?

answered Apr 4, 2020 at 20:35

2 votes

Accepted

Find a formula for a function which must increase with $0.5$ at every step$=40$.

answered Jun 3, 2014 at 10:30

2 votes

Accepted

Find the angle between two tangent lines...

answered Apr 20, 2014 at 14:03

2 votes

Newton's Method - iteration formula

answered Dec 13, 2013 at 20:17

2 votes

Accepted

Finding abundant numbers from 1 to 10 million using a sum

answered Nov 10, 2013 at 18:52

2 votes

Square root of a square

answered Nov 13, 2013 at 15:26

2 votes

Relative frequency of $0$ in decimal repersentaion of $\sqrt{2}$ expansion

answered Feb 5, 2013 at 15:02

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81 Answers

Do We Need the Digits of $\pi$?

Finding solutions to $(4x^2+1)(4y^2+1) = (4z^2+1)$

Question related to regular pentagon

What is the next number?

Find the pattern - puzzle

How to prove the following numbers odd and even respectively?

How is this read correctly (problem with brackets)? 2^2048 - 2^1984 - 1 + 2^64 * { [2^1918 pi] + 124476 }

What way can someone color this image to illustrate the Four Color Theorem?

Does this equation have a solution?

Maximize area of a triangle with fixed perimeter

Find the remainder of a number with a large exponent

how MIX subtractions works with "packed" words

3xy + 14x + 17y + 71 = 0 need some advice

How to $\int \sqrt{10x-x^2}dx$

Which is the greatest possible natural number that divides $(p+3)(p-7)$, where $p$ is a prime number greater than $3$?

Zeros of the decimal representation of $k!$

Can someone explain the math used in this query?

How to calculate number of digits of a large number?

"How I wish I could calculate pi" analogs...

How to simulate Monty Hall problem in computer?

What are the carried numbers called in an Addition problem

any other symmetrical number like this?

Solving factorial equation $ x!=\left(x-1\right)! + 96 $

How to solve for unknown symbols in a base-3 number system?

Find a formula for a function which must increase with $0.5$ at every step$=40$.

Find the angle between two tangent lines...

Newton's Method - iteration formula

Finding abundant numbers from 1 to 10 million using a sum

Square root of a square

Relative frequency of $0$ in decimal repersentaion of $\sqrt{2}$ expansion