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Forum: jvang 2019-04-05, 00:39
Replies: 107
Views: 8,855
Posted By jvang
My dad wanted me to post about my math...

My dad wanted me to post about my math observation; a long time ago I noticed that each successive square number is a successive odd number less than the next. So starting from 0, the first odd...
Forum: jvang 2019-02-23, 03:34
Replies: 59
Views: 4,277
Posted By jvang
My dad suggested that I just do running for...

My dad suggested that I just do running for starters, to focus on one exercise and whatever. He used to have some good running books, like Daniel’s Running Formula and Run the Lydiard Way, which were...
Forum: jvang 2019-02-18, 02:16
Replies: 404
Views: 16,947
Posted By jvang
Other than one existing physically and one not,...

Other than one existing physically and one not, what's the difference between a real computer and an emulated one? And, as a simple example, does a program that prints 1's repeatedly emulate a...
Forum: jvang 2019-02-14, 02:51
Replies: 404
Views: 16,947
Posted By jvang
My dad wants to make a "little man computer"...

My dad wants to make a "little man computer" (some sort of demonstrative model for teaching how computers work?) using a ternary number system, in particular balanced ternary, where the digits are...
Forum: jvang 2019-02-13, 03:11
Replies: 171
Views: 8,289
Posted By jvang
We covered a bit on matching the derivatives of...

We covered a bit on matching the derivatives of graphs with their originals. One thing that was interesting was inflection points, which has something to do with concavity (which we haven't covered,...
Forum: jvang 2019-02-11, 22:23
Replies: 22
Views: 1,663
Posted By jvang
And iMessage for iOS devices. That's probably why...

And iMessage for iOS devices. That's probably why there aren't many limited calling/texting plans, since you can use Skype, Discord, social media, etc. for that sort of thing, although it may be less...
Forum: jvang 2019-02-11, 02:21
Replies: 22
Views: 1,663
Posted By jvang
Found a new, cheaper phone plan for my dad...

Found a new, cheaper phone plan for my dad through PureTalk USA. It's $20 per month, no contract, with unlimited talk/text and unlimited low speed data (basic web browsing and emails). Pretty neat if...
Forum: jvang 2019-02-08, 02:23
Replies: 171
Views: 8,289
Posted By jvang
There was a problem we were working on today, in...

There was a problem we were working on today, in which we're still doing inverse derivative stuff. I'm trying to figure out the inverse of this, so that I can find the derivative of the inverse: [$]y...
Forum: jvang 2019-02-06, 00:49
Replies: 404
Views: 16,947
Posted By jvang
http://time.com/5475668/raw-cookie-dough/ ...

http://time.com/5475668/raw-cookie-dough/
...
Forum: jvang 2019-02-05, 01:35
Replies: 2
Views: 608
Posted By jvang
Timestamps for the rest of my stuff, plus some...

Timestamps for the rest of my stuff, plus some other stuff. Whee! :jvang:

https://imgur.com/a/FjgWDm8
Forum: jvang 2019-02-04, 00:31
Replies: 2
Views: 608
Posted By jvang
Pictures of the iPhone SE here! ...

Pictures of the iPhone SE here!

https://imgur.com/a/C9mIiCu

Here's the first 5...

I went ahead and removed the original screen protector, which I then hit with a hammer a bunch to see how...
Forum: jvang 2019-02-03, 14:15
Replies: 10
Views: 1,046
Posted By jvang
At the University of Arkansas, it's a couple...

At the University of Arkansas, it's a couple thousand dollars per semester for unrestricted cafeteria access. Said meal plan is covered in the scholarship, which is convenient :max:

I could cut...
Forum: jvang 2019-02-02, 02:16
Replies: 10
Views: 1,046
Posted By jvang
An Attempt at Financial Responsibility

My parents wanted me to do a practice budget for a typical month. I decided to determine how much money I'd spend in a month while at college.


Gas - Probably $10-20 depending on how much I'd...
Forum: jvang 2019-01-31, 03:07
Replies: 59
Views: 4,277
Posted By jvang
Also need to include bridges! For those who...

Also need to include bridges! For those who aren't familiar with these, it's kinda like the opposite of a plank. Kinda. It's really good for your core muscles and back/spine, and it works just about...
Forum: jvang 2019-01-30, 02:49
Replies: 59
Views: 4,277
Posted By jvang
I used to think "oh, stretching is for losers,"...

I used to think "oh, stretching is for losers," but now that I'm much less flexible than 12 year old me and I think about how everyone makes a big deal about it, I'll be stretching a lot. Maybe not...
Forum: jvang 2019-01-29, 03:04
Replies: 59
Views: 4,277
Posted By jvang
Hehe, my dad is disgusted by my use of nano. vim...

Hehe, my dad is disgusted by my use of nano. vim is really odd to use as a beginner; when I watch him use it, there seems to be 100 random keypresses to get the cursor in the right position and to...
Forum: jvang 2019-01-29, 00:49
Replies: 59
Views: 4,277
Posted By jvang
I know it sounds dumb, but I really dislike...

I know it sounds dumb, but I really dislike documenting things, especially on paper. It takes brainpower (in short supply around here) and I have to write something, which hurts my hand after a...
Forum: jvang 2019-01-28, 02:59
Replies: 59
Views: 4,277
Posted By jvang
Trying to set up an exercise schedule to get in...

Trying to set up an exercise schedule to get in decent shape. I don't have a good idea of how to track my progress, but my dad sent me a chart from an old military manual on fitness, giving points in...
Forum: jvang 2019-01-27, 03:42
Replies: 2
Views: 608
Posted By jvang
The "I have too much junk sitting around and it needs to be sold" Thread

I have too much junk sitting around and it needs to be sold.

Pictures coming up in followup posts! If you want a specific part(s) out of anything listed, you're welcome to make an offer. Most of...
Forum: jvang 2019-01-25, 02:32
Replies: 171
Views: 8,289
Posted By jvang
Much of the class today was on some sort of trip...

Much of the class today was on some sort of trip (FBLA club, they're always skipping school :unsure:), so we just went over some of this inverse derivative stuff. One particular problem resulted in a...
Forum: jvang 2019-01-24, 01:18
Replies: 171
Views: 8,289
Posted By jvang
First part: that looks a lot like what we did in...

First part: that looks a lot like what we did in algebra class. It makes a bit more sense in this application/context!

Second part: what do you mean by "in terms of tan(y)"? That sort of wording...
Forum: jvang 2019-01-23, 02:28
Replies: 171
Views: 8,289
Posted By jvang
Today we did a bit on finding the inverse of the...

Today we did a bit on finding the inverse of the derivatives of functions or something. A quick way to do it goes something like this: take the inverse of the original function, take the derivative...
Forum: jvang 2019-01-22, 03:09
Replies: 107
Views: 8,855
Posted By jvang
I was going to post these in the cell phone...

I was going to post these in the cell phone astrophotography thread, but the cell phone ones were very bad. These were taken with a more legitimate camera:
Forum: jvang 2019-01-21, 04:11
Replies: 59
Views: 4,277
Posted By jvang
I've had mild asthma, allergies, and...

I've had mild asthma, allergies, and exercise-induced bronchoconstriction (the proper name for exercise-induced asthma, since the exercise doesn't cause asthma but exacerbates the symptoms) for a...
Forum: jvang 2019-01-19, 20:21
Replies: 171
Views: 8,289
Posted By jvang
This video helped a lot:...

This video helped a lot: https://www.youtube.com/watch?v=NPVDM3qFhFY

So we start with [$]-1 \leq \cos x \leq 1[/$], which is easy to visualize and is obviously true. We then multiply everything by...
Showing results 1 to 25 of 424

 
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