Tag: math

mathbrain:

As a university student whose course load is heavily math-based, I’ve had my fair share of encounters with math problems that seem unsolvable, and notes that make absolutely no sense. Fortunately, I’ve also come across a lot of useful resources that I thought I would share with my fellow math comrades! So here is my list of “life-saving” math resources that will hopefully make your math life a little bit easier.

Wolfram Alpha

Definitely the most used resource when I am doing math homework. It’s capable of solving basically any math problem. You have to pay to see the step-by-step solution, and I have a shared account with my friend, so that’s an option if you want to pay a little bit less!

Symbolab

Similar to Wolfram Alpha, but free! You can see the step-by-step solutions without paying, so that’s great. However, the downside is that if your math problem is quite complicated, it may not have the solution (i.e. crazy integrals)

Paul’s Online Math Notes

This website has notes on algebra to multivariable calculus, with plenty of examples and explanations.

This is an actual life saver for my friends who are doing advanced/university level math. Especially if your professor has atrocious writing but can’t seem to stray away from hand written notes. 

Khan Academy

Has video lessons on elementary to university level math. Great for visual learners, since the lessons include a lot of graphs and diagrams. Not to mention this website offers video lessons on a variety of subjects!

Desmos

Graph functions (single and multivariable) and plot data tables!

Slader

Textbook solutions!!! You can probably find the solutions to most of the calculus textbooks used in universities. Really great for those who like to study by doing a bunch of practice questions.

Bonus: Scannable (not really math related, but still useful)

For those with professors who prefer digital submissions of assignments: turn your phone camera into a scanner without the bulk. The best scanner app I’ve come across – it will make your papers look like they’ve actually been scanned, even if you take the photo in bad lighting.

Source: mathbrain

demi-demigod:

awkwardcat:

chemically-imbalanced-romance:

chemically-imbalanced-romance:

biggest-gaudiest-patronuses:

hufflepuff-writer:

biggest-gaudiest-patronuses:

apharc:

uncreative-lesbian-fangirl:

biggest-gaudiest-patronuses:

biggest-gaudiest-patronuses:

biggest-gaudiest-patronuses:

did i ever tell you guys about that time i gave my sister 2000 nickels for her birthday

special ordered them from the bank

nice to know that in a world full of change, tumblr still has no idea how numbers work

thats…thats $100, right? 

@ you weebs

2,000/10=200

Two hundred dollar power move

#Math is literally the only thing i have going for me  #It’s my bragging right  #Even Gaud can’t take that away

You divided by 10. 10 is for dimes

Y’all. 2,000 nickels is $400. 2,000÷5. It equals $400.

i’m crying. no, no it doesn’t

It’s. It’s 100$.

@biggest-gaudiest-patronuses was i right was i right validate me i’ve had to retake algebra 3 times

Guys, it’s $4. I think you all forgot that a nickel is actually 0.05….

please tell me youre joking, i need to know that youre joking

forlovefromfear:

twilightmademegay:

3denali:

twilightmademegay:

In the Twilight universe, “vegetarian” vampires have golden eyes from drinking animal blood, a more ethical source than human blood, which would give them red eyes. It has also been established that a diet of human blood makes vampires physically stronger. So, if the Cullens wanted to become stronger without jeopardizing their morals, could they consume mosquitoes instead? How many mosquitoes would they have to eat to survive? Since mosquitoes drink from both humans and animals, what color would their eyes be? Orange? In this essay, I will

on average an adult has about 4.5-5.5 liters of blood circulating in their body. a female mosquito, when completely full, can hold up to 0.001-0.01 milliliters of blood in their abdomen depending on the species. if we take the average of both (5 liters & 0.0055 milliliters), it would take around 909,090 mosquitos to equal the amount of blood in a single human. although there isnt an exact number of the entirety of the mosquito population, we can use fermi estimation. there is about 57 million square miles of total land area on earth, while say 50 million square miles are habitable for mosquitos. with a rough of estimate of 1 mosquito per 50 square feet (overestimate due to area and time of year). after multiplying the numbers and fixing the units, there is a rough estimated 70 quadrillion mosquitos. theoretically, if a vampire lived in a mosquito dense area, such as brazil, indonesia, malaysia, thailand, etc, and could sustainably hunt around a million mosquitos to fill themselves every time they needed to feed, there would be enough mosquitos to survive on due to their large population and fast reproduction.

This is honestly everything I have ever wanted thank you for your contribution to the cause

Hey guys I think I figured out why vampires can turn into bats

decadent-trans-girl:

infinite-hog-supply:

gwux:

conway-twittys-leisure-suit:

the45thpresidentialruger:

decadent-trans-girl:

decadent-trans-girl:

decadent-trans-girl:

ambitiousmustard:

decadent-trans-girl:

This was circulating in a facebook group. There was no consensus as to who wrote this and what it actually meant. 

Does anyone here know?

the dark science of dialectical materialism

The Time Cube version of diamat

to elaborate: this chart was attributed to: an occultist, the Time Cube guy, a leftcom from leftypol, and an analytic philosopher. no one presented any evidence

there’s more:

They’re actually doodles, straight out of Kautsky’s private journal, he was a genius you see

yo iirc these are the work of an infamously weird revleft poster who routinely posted similarly bizarrely formatted diagrams accompanied by equally weird text posts that i think were intended to explain the diagrams, but then i couldnt really be sure. the posts there were attributed to one
Miguel Detonacciones, who claimed to be part of a foundation for a dialectical encyclopedia or something. the posts took place over like, a decade along with a blog so its either a REALLY dedicated troll or the literal, physical manifestation of the expanding brain meme

personal highlights

i like the way he put “chameleonic” in rainbow colours, its little touches like that that elevate this to outsider art imo

chameleonic

Source: decadent-trans-girl

torhallatalaksdater:

bussanut-industries:

onesideisgreatness:

magistrate-of-mediocrity:

trying–kind-of:

is this a renaissance painting?

“Interrogation of the Zodiac Killer”
-The Ghost of Sandro Botticelli ca 2015

So I slapped some mathematics on this picture and…

The red lines divide the picture into thirds. They also mostly coincide with the doorway (and Cruz’s right hand), framing him nicely as the Main Character of this picture.

The green line was placed using the golden ratio (the ratio between parts of the picture above it and below it is close enough to 1:1.618). It also goes right under his chin (and through some reporters’ hands or tools).

The purple lines are diagonals that are framing the reporters really nicely.

I’m pretty sure you could also do something clever with a circle and the yellow doorway behind him, but I don’t have the patience to fiddle with that.

Basically, this picture has the same “maths are beautiful” aesthetic as (some well-known) Renaissance paintings.

i couldnt help but make some adjustments in photoshop…

For the math