## Excel in math and science

### Master concepts by solving fun, challenging problems.

## It's hard to learn from lectures and videos

### Learn more effectively through short, conceptual quizzes.

## Our wiki is made for math and science

###
Master advanced concepts through explanations,

examples, and problems from the community.

## Used and loved by over 5 million people

###
Learn from a vibrant community of students and enthusiasts,

including olympiad champions, researchers, and professionals.

Easy Math Editor

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

paragraph 2

`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

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TopNewest(1) Some review problems are not 0~999 style but still the answer box requires that. (2) Want a space for note taking (3) Also want it for level 5 (4) Is it possible to join the editors? :-)

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I dont see any technique trainer on my homepage! I checked even Chai's comment but i still dont find it.

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me neither, but i can get it from here

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Hi Harshit and Nishanth -

The Techniques Trainer is an experimental feature. We launched it specifically for Algebra and Number Theory people who are Levels 1 - 3, to see if users would find it useful and to figure out how much work it takes to write the summary pages (like this one).

That is why you both (and many others) are not seeing it on your homepage... yet :)

- SilasLog in to reply

I became level 4 in Algebra and Number Theory this week. Does that mean I'd lose the trainer when the next problem set kicks in?

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sir how to submit a solution to the problem

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Outstanding.KEEP IT UP.

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Its awsum keep it up

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Discovery of 'Fractional Factor?'

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Discovery of ' Fractional Factor?'

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its a really gud 1 4 me

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Brilliant is very useful which provide very good problem

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It is a really wonderful initiative from Brilliant. It can enhance the problem solving abilities of students for sure! Thank you Brilliant team :)

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Is there a technique trainer for Physics? If yes, then why am I not seeing it despite of being in level 3?

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Hi Sambit,

There isn't a technique trainer for Physics... yet :) If people use this feature often in Algebra and Number Theory, we will consider adding it for physics as well.

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Wonderfull!! I like it so much. That much better explaination.. Thanks, Brilliant, keep up! :))

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If you do not see the Techniques Trainer, please see this image. If you still do not find it, post below.Log in to reply

nothing like this............

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great...........thanx Brilliant....

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Great!!!

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I never expect this to appear all of a sudden in Brilliant.I was like"WOW".It's amazing! Thanks Brilliant.=D

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Hmm I just noticed this. How can I find this on my home page? I just seem to have stumbled upon it as a result of noticing it on somebody else's profile.

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It's on the main page of "challenges" in the same column with Number Theory and Algebra,just above the button "Start/Resume"

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no :/

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The swimming pool that Calvin goes to has dimensions 20 meters long, 8 meters wide and 3 meters deep. What is the volume of water (in m3) that the swimming pool contains?

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i simply luv brilliant fr its awesome problems and the trainer particularly. I am feeling quite elevated in Maths Problem Solving. However as i am in 9th grade only a little of physics and maths is known to me. But yet i can learn many techniques through techniq trainer which i find quite amazing. Thank u so much brilliant.

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How to solve integration problem

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