User NoChance

27 votes

What's the formula for the 365 day penny challenge?

summation arithmetic

answered Jan 5, 2016 at 15:05

21 votes

Is Calculus necessary for computer science student?

answered Aug 10, 2019 at 23:49

19 votes

Accepted

a circle graph is not a function?

algebra-precalculus circles

answered Oct 27, 2011 at 8:49

11 votes

What does it mean for a function to be a solution of a differential equation?

ordinary-differential-equations

answered Dec 9, 2011 at 4:45

11 votes

What are imaginary numbers?

complex-numbers definition

answered Sep 20, 2012 at 14:11

9 votes

Accepted

How to find corners of square from it's center point?

geometry trigonometry

answered Oct 21, 2015 at 3:26

8 votes

Accepted

Why is the area of a $3$-by-$3$ square $3\times 3$ and not $3+3$?

geometry area

answered Nov 6, 2018 at 9:14

7 votes

How to prove: $n! \times (n+1) = (n+1)!$

factorial

answered Feb 8, 2012 at 1:10

5 votes

Accepted

How to solve this equation:$\sqrt{x-\sqrt{x-\sqrt{x-\sqrt{x-5}}}}=5$

algebra-precalculus radicals nested-radicals

answered Oct 18, 2012 at 9:11

5 votes

How can I simplify this rational expression?

algebra-precalculus

answered Mar 8, 2016 at 2:03

5 votes

Matrix determinant effect

linear-algebra determinant

answered Nov 9, 2018 at 18:28

4 votes

Accepted

Taylor's series formula for $\sin i$

calculus trigonometry convergence-divergence power-series taylor-expansion

answered Mar 2, 2019 at 7:04

4 votes

An error of Graphing Calculator Desmos?

soft-question math-software

answered Jun 19, 2019 at 18:27

4 votes

Accepted

Exponents and Log

logarithms exponential-function

answered Oct 15, 2018 at 3:22

4 votes

What’s the difference between something that approaches infinity and something that is infinite.

calculus

answered Aug 21, 2019 at 19:39

4 votes

Accepted

When writing a new theorem, is it acceptable to introduce some new definitions concepts?

proof-writing article-writing

answered Aug 18, 2019 at 12:08

4 votes

How do we draw the number hierarchy from natural to complex in a Venn diagram?

elementary-set-theory complex-numbers

answered Oct 20, 2012 at 2:43

4 votes

How many ways you can make change for an amount

combinatorics integer-partitions

answered Sep 28, 2012 at 8:21

4 votes

Accepted

Simple Logical reasoning question

puzzle

answered Oct 4, 2012 at 10:13

4 votes

Prove to show that 2 different size matrices cannot be added together,without literally try to add them together?

matrices

answered Dec 31, 2015 at 23:40

4 votes

What are some math concepts which were originally inspired by physics?

soft-question mathematical-physics big-list

answered Jan 9, 2016 at 13:38

4 votes

How important is programming for mathematicians?

soft-question

answered Apr 15, 2012 at 11:47

4 votes

Simple Differentiation

calculus derivatives

answered Nov 14, 2011 at 23:13

4 votes

How to solve $ \displaystyle\int \bigg(\small\sqrt{\normalsize x+\small\sqrt{\normalsize x+\sqrt{ x+\sqrt{x}}}}\;\normalsize\bigg)\;dx$?

calculus integration

answered Nov 24, 2011 at 10:24

4 votes

Accepted

What are these specific trigonometric functions used for?

trigonometry

answered Feb 8, 2012 at 21:17

4 votes

Accepted

How do I solve this double summation?

algebra-precalculus sequences-and-series

answered Feb 11, 2012 at 1:14

4 votes

Self-study on probability.

probability probability-theory self-learning

answered Feb 11, 2012 at 19:44

4 votes

An example of an easy to understand undecidable problem

logic examples-counterexamples

answered Nov 10, 2011 at 4:51

3 votes

Accepted

Simplifying this factorial expression

algebra-precalculus factorial

answered Oct 5, 2011 at 22:15

3 votes

Calculus proof for the area of a circle

calculus circles

answered Aug 28, 2012 at 16:47

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287 Answers

What's the formula for the 365 day penny challenge?

Is Calculus necessary for computer science student?

a circle graph is not a function?

What does it mean for a function to be a solution of a differential equation?

What are imaginary numbers?

How to find corners of square from it's center point?

Why is the area of a $3$-by-$3$ square $3\times 3$ and not $3+3$?

How to prove: $n! \times (n+1) = (n+1)!$

How to solve this equation:$\sqrt{x-\sqrt{x-\sqrt{x-\sqrt{x-5}}}}=5$

How can I simplify this rational expression?

Matrix determinant effect

Taylor's series formula for $\sin i$

An error of Graphing Calculator Desmos?

Exponents and Log

What’s the difference between something that approaches infinity and something that is infinite.

When writing a new theorem, is it acceptable to introduce some new definitions concepts?

How do we draw the number hierarchy from natural to complex in a Venn diagram?

How many ways you can make change for an amount

Simple Logical reasoning question

Prove to show that 2 different size matrices cannot be added together,without literally try to add them together?

What are some math concepts which were originally inspired by physics?

How important is programming for mathematicians?

Simple Differentiation

How to solve $ \displaystyle\int \bigg(\small\sqrt{\normalsize x+\small\sqrt{\normalsize x+\sqrt{ x+\sqrt{x}}}}\;\normalsize\bigg)\;dx$?

What are these specific trigonometric functions used for?

How do I solve this double summation?

Self-study on probability.

An example of an easy to understand undecidable problem

Simplifying this factorial expression

Calculus proof for the area of a circle