Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 Re: Maths Is Fun - Suggestions and Comments » Banning new members » 2018-01-10 13:19:59

Exactly right.

Spam is an annoyance that we always have to fight.

But we also want to allow well established members to talk about other sites.

Imagine you are in a group of friends and someone just turns up trying to sell you something (versus a friend telling you about things).

#2 Maths Is Fun - Suggestions and Comments » Sampling » 2018-01-10 13:12:53

MathsIsFun
Replies: 2

A new page: Sampling

Comments/suggestions anyone?

#4 Re: Maths Is Fun - Suggestions and Comments » Fourier Series » 2017-12-30 09:52:24

You are welcome Bob

A side note on the grapher: you can sum any function you want, not just sine and cosine.

#6 Maths Is Fun - Suggestions and Comments » Fourier Series » 2017-12-26 12:34:36

MathsIsFun
Replies: 5

Just finished this page: Fourier Series

Please let me know what you think, and if there are any errors at all.

#7 Maths Is Fun - Suggestions and Comments » Correlation Calculator » 2017-12-22 17:22:55

MathsIsFun
Replies: 2

Have a try of the Correlation Calculator and let me know what you think.

Does it work well? Any ideas for improvement?

#10 Re: Maths Is Fun - Suggestions and Comments » Unable to access site » 2017-09-21 09:28:00

A screenshot of the error might help us find out what is wrong

#13 Re: Maths Is Fun - Suggestions and Comments » Chess » 2017-07-22 21:54:23

Thanks ganesh and Stephen.

I could introduce a small delay.

Could Medium be a little harder do you think?

I could also have more difficulty levels. Beginner, Medium, Challenging, Hard, Extreme.

#14 Maths Is Fun - Suggestions and Comments » Chess » 2017-07-22 14:29:59

MathsIsFun
Replies: 7

I have a new chess program: Chess

It uses the "Garbochess" engine for the (very strong) computer player, but there is also Easy and Medium settings.

Could you let me know how it works for you and if there are any problems.

Also try to beat it, and let me know if I have Easy, Medium and Hard well chosen.

#16 Maths Is Fun - Suggestions and Comments » Solids of Revolution by Disks and Washers » 2017-04-25 11:38:25

MathsIsFun
Replies: 4

A new Calculus page: Solids of Revolution by Disks and Washers

Let me know if you find anything I should change before I release it on the website.

Also any comments or suggestions welcome.

#18 Re: Maths Is Fun - Suggestions and Comments » Spiral Artist » 2017-04-20 12:38:20

Frame it!

I am also trying to think how to use the mouse to interact with the drawing process.

#19 Re: Maths Is Fun - Suggestions and Comments » Spiral Artist » 2017-04-20 09:50:40

bobbym wrote:

Can you provide the settings to generate the 5 examples?

Well... I kinda just played around, took a screenshot, played some more, moved on.

I recall the first one was the ellipse preset with a "radius change" of something like 0.1.

The "three rings" had a basic setting like 80,1 80,-2 with a 3rd circle like 80,0.01 but I can't recall exactly.

Where is everyone's artwork?

#20 Maths Is Fun - Suggestions and Comments » Spiral Artist » 2017-04-19 20:10:17

MathsIsFun
Replies: 25

New version of Spiral Artist

The "Expert" button lets you control how the radius and speed change over time.
Radius changes by a factor of (1+change/1000) and can make nice effects
Speed changes by adding change/1000 but I haven't had luck making it do anything cool

Let me know if you have any ideas on making it better!

Post any cool art you make.

#21 Re: Maths Is Fun - Suggestions and Comments » 3D Function Grapher » 2017-04-17 15:22:37

Thanks everyone!

I will check out IE (why is it always the exception?)

#22 Maths Is Fun - Suggestions and Comments » 3D Function Grapher » 2017-04-16 17:06:25

MathsIsFun
Replies: 4

Graph functions of the style f(x,y): 3D Function Grapher

Let me know of any interesting functions you find!

(Also let me know of any bugs/suggestions/comments)

#23 Re: Maths Is Fun - Suggestions and Comments » Partial Derivatives » 2017-03-28 16:32:21

Thanks everyone!

I have also heard "day", so they say "day-f day-x" but that doesn't seem common.

#25 Re: Help Me ! » help me » 2017-03-23 12:57:45

Hi iamaditya, very nice to hear you like the Calculus material.

I hope to add more Calculus one day, but over the last year or so I have added some Physics pages and am now going though the site updating the graphics. As well I am working with two translators creating a Chinese version of the site!

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