Melody

921 Questions
34316 Answers

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Mathigon website

I just discovered a site called mathigon

https://mathigon.org/dashboard
mehr ..

Melody 02.04.2022

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Reporting problems.

There are a number of people having problems at the moment.
If you lodge an error can you please give all relevant information that you can think of.
Where you are in the world - the city or the country - is often very important information. mehr ..

Melody 16.03.2022

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How to make an empty rectangle in Latex

I just worked out how to make an empty box of various horizonal size easily in LaTex.
This is not a recommended method, but other methods that I have tried here have not worked.
This coding is really simple. Just put letters inside mehr ..

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Melody 15.03.2022

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HAPPY ANNIVERSARY CHRIS! (CPhill)

I just realized that you became a member here exactly 8 years ago today!

It has been great to have you here all that time

Off-Topic

Melody 13.03.2022

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WELCOME BACK CPHILL !

Melody 11.02.2022

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Very interesting question. No high level maths required.

This question was posted a couple of days ago.
https://web2.0calc.com/questions/geometry_73561

I think it is really interesting. It looks much more difficult than it really needs to be. mehr ..

Melody 01.02.2022

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Members have a better experience. Their questions get more attention.

Almost everyone is posting as a guest.
If you post as a member your questions will have a far greater chance of a timely and helpful response.
If you are a genuine learner and interact with us, you will become known and answerers will do mehr ..

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Melody 09.01.2022

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HAPPY BIRTHDAY CHRIS!

Melody 20.12.2021

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Some guidelines for question askers.

Please note:
1) Ask only one question per post.
2) When asking a question talk about what you have tried for yourself. Then people will take you more seriously and will be more able and willing to help.
3) If you get an answer mehr ..

Off-Topic

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Melody 04.11.2021

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Remeniscing - a little historical humour.

I just found this old post that some of you, who have been around for a while, might find amusing.

https://web2.0calc.com/questions/look-at-the-new-leader-board

Off-Topic

Melody 29.10.2021

+118735

+5

Here is a whole list of sites that could help you :)

https://www.google.com.au/search?q=how+do+you+determine+the+range+and+domain+of+a+function&ie=utf-8&oe=utf-8&gws_rd=cr&ei=69fZVLeuBOaxmwWtsoCADQ

I am sure that many of them are very good:)

Melody10.02.2015

+118735

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Tn=15-7(n-1)

Melody10.02.2015

+118735

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@@ End of Day Wrap Tues 10/2/15 Sydney, Australia Time 7:20 pm ♪ ♫

Hello everyone,

Today our great answers were supplied by Takahiromaeda, Sasini, Variablenumbers, CPhill, cjohns25, Tetration, BrittanyJ, Fireshot360, Heureka, YocenatheRipper, mahum, Mathematician, saseflower, minee, Jillybean, xXSwagMasterXx, and our Princess Kitty<3,

Thanks all.

Interest posts:

1) Pi and using the web2 calc on the forum. Melody.

2) Difficult Trig triangle question - Thanks Alan.

3) Internal angle sum of polygons - Thanks Heureka.

4) Solving for powers without using logs. Thanks Chris

5) Limit question Thanks Alan

6) Triangle trig - continued from before. Thanks Alan and Heureka

♫♪ ♪ ♫ ♬ ♬ MELODY ♬ ♬ ♫♪ ♪ ♫

Melody10.02.2015

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Wed 11/2/15

1) Geometric mean Thanks Melody CPhill and Heureka

2) Trig integration Thanks CPhill

3) Continuous compounding Thanks CPhill

4) A different way to do bracket expansions. I like it! do do lots ot others Thanks Mathematician

5) Advanced derivative Thanks CPhill

6) Combined rates. I always have to think really hard about these Thanks melody and Alan.

7) Factoring quadratics to rap. LOL Melody

8) Finding the difference of the roots of a quadratic equation. Thanks Heureka and Melody

9) Simultaneous equations Thanks Alan

10) Problem question with fractions. Thanks Heureka

♫♪ ♪ ♫ ♬ ♬ MELODY ♬ ♬ ♫♪ ♪ ♫

Melody10.02.2015

+118735

+5

You will get you answer quicker if you google it.

Melody10.02.2015

+118735

+5

Use change of base rule

Or if you are doing it on the web2 calc you don't even have to. It will work it out in any base:))

Melody10.02.2015

+118735

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Use the change of base rule.

I you do not know what this is look it up in formulary.

Melody10.02.2015

+118735

+5

What about it?

Melody10.02.2015

+118735

+5

Mathematician, a kite is NOT a rhombus!

However, you can find their areas the same way

A=half the product of the diagonals.

Melody10.02.2015

+118735

+5

see if this helps.

http://www.mathsisfun.com/fractions_multiplication.html

Melody10.02.2015