College Stuff

by djmathman, Apr 27, 2015, 4:16 AM

Darn I made my decision almost a week ago but never posted it on this blog o.O

Carnegie Mellon University Class of 2019!
college
Real Life

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CONGRATULATIONS!!!!!!!!! I wish you the very best at CMU these next four years, USAMO, and anything you'd like to do.

by IsabeltheCat, Apr 27, 2015, 5:03 AM

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Congrats dj! Best of luck in college.

by happiface, Apr 27, 2015, 4:20 PM

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Nice! Someone from my high school is going to CMU next year.

by nosaj, Apr 27, 2015, 6:53 PM

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College of Science, or CS?

College of Science (got waitlisted from CS) ~dj
This post has been edited 1 time. Last edited by djmathman, Apr 28, 2015, 11:30 PM

by Naysh, Apr 28, 2015, 9:52 PM

A blog documenting a (no longer) high school youth and his struggles with advancing his mathematical skill.

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djmathman
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Zeros of Rational Function
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An Inequality with Harmonic Numbers
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A Short Existence Proof of the Polar
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2022 AMC and AIME proposals
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... but I do puzzles more
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I still do math, I think
Here are two Kakuro puzzles
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Collection of Puzzles
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Dedicated Puzzle Blog
Hey i forgot a few puzzles
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Putnam Marathon
Four Factorial
Small Boy Kakuro
I should find a better place to put these puzzles at some point
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Some Puzzles of Mine
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TJ Black Book of Problem Solving
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It's kind of a miracle
Probability of Choosing Increasing Sequence
An Amazing Geometry Problem
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3Blue1Brown Easter Egg
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Math Jams Continued
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AOIME 2020 Proposal
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AwesomeMath Online
A Random Isogonal Conjugate Thing
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A Barrage of Problems from the Past Few Months
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An Amusing Statistic Pointed out to Me
Hollow Knight is very difficult
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David's Problem Stash Revenge Round?
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Some Soothing Music
Running a Math Jam is Intense
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An Integral
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2019 AMC/AIME Proposals
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Twenty Two
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Two Nice Berkeley Problems
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Post in October
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Revenge on an Old Number Theory
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A Few Problems
I have now surpased
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Contrib Experiment
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Celeste Verdict
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Final Update on "Future American Mathematics Competitions"
CMIMC is in a week
A Nice Mandelbrot Problem
Some Combinatorics
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Twenty One
A Nice Trig Summation
Putnam Synopsis
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Putnam Rush
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Update on AMC/AIME 2018
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Analysis is Fun
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Putnam Update III
Putnam Update II
Putnam Update
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NIMO April Contest
A (Probably) New Proof of the Pythagorean Theorem
Miscellaneous Problems
I am Finally Free
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AwesomeMath 2017
It's been six years
Two-Factor Authentication
AMC-Related Thought
Combo and some Music
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A Few Personal Favorites from CMIMC (Part II)
CMIMC 2017 Summary
An Unsettling Quote
Fourth Semester
Faculty Course Evaluations
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A Startling Realization
Holidays and Stuff
Analysis Final Summary
Hutchinson's Theorem (a.k.a. how to draw pretty pictures)
My Ctrl keys have stopped working
Putnam Aftermath
Last-minute Algebra studying
+ November 2016
The day has finally come
I now have a Steam
CMU Math Jam
A Very Cool Analysis Fact
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Analysis Struggles
NIMO Contest 28
An Interesting Number Theory
Induction
Mathematica Part II
Mathematica
Algebra Struggles Part III
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Algebra Struggles Part II
Algebra Struggles
Various Putnam Seminar Problems
High School Math Club Handouts
Western Pennsylvania ARML Advertising
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Sophomore Year
AoPS Precalc is hard
I have a website!
Super Mario Galaxy
A Few Problems
Puget Update 6
Puget Update 5
Puget Update 4
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Puget Update 3
Puget Update 2
Puget Update 1
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IMO 2016
AMC Packet
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CMIMC 2016 Results and AMSP 2016 Cornell
Time to brush up on my NT
All my high school teachers
I can't believe I'm saying this
Creation of Private Blog
NIMO Favorite Problems (Again)
In Response to "That Moment When"
+ May 2016
2018 AMC/AIME Problem Proposals
The Man who Knew Infinity
After College
Freshman Year
Calculus and Combinatorics
Finals 2016
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An Update on "Conversations are Hard"
Proving FTC2 (aka an introduction to integration theory)
Conversations are Hard
AND SO IT BEGINS
USA(J)MO 2016
College Math Meets Euclidean Geometry
I finally learned how to play Tractor
A Few Personal Favorites from CMIMC
Putnam 2015 Results
CMIMC 2016 is Over!
+ March 2016
G10 Steamroller
CMIMC is a Week Away??
NIMO April Contest!
Expected Unexpected Visits
Using College to Decipher a MATHCOUNTS Classic
Feelings Revisited Revisited
Feelings Revisited
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Chasing *Blank*
Five Years
An Update on "Future USA Math Competitions"
Accurate Quotes are Accurate
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2016 AMC 10A/12A
A Quick Survey on Math Contests
A Short Proof of a Famous Identity
I downloaded Hearthstone
That Moment When
In Response to "Biology Troubles"
NIMO 23 Reaction
+ December 2015
Algebraic Combinatorics
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Some Updates on Life
Biology Troubles
NIMO Revenge 22
The Stanford Marshmellow Prison Experiement
Some More Putnam
Putnam in 4 days
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T-2 days
CMIMC 2016 has Arrived!
My Life has been a Lie
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NIMO Revenge 22 Submissions Open!
PUMaC 2015
NIMO Contest 21
Number Theoretic Functions are Fun(ctions)
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Unexpected Translations
Future USA Math Competitions
Using Computer Science to do Math
A Revival of Mirroslav Geo 2 Topics!
A few Putnam Seminar Problems
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College / Looking Back
NIMO Staff for 2015-2016!
NIMO Favorite Problems
Geometry Dash
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A Psychological Math Contest Question
AMA's are hard
AMA Tonight!
Number Theory is hard
A Very Funny Calculus Problem
Chase Angles, not Girls
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Euler's Love Story
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+ June 2015
AMSP Cornell 2015 and some Geo
High School Graduation
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USAMyes??
NIMO Contest 19
Simon's Favorite Factoring Trick (SFFT)
USAMno (darn 8char)
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College Stuff
Concentric Circles
A (Maybe) Quick Favor
A Dabble of Olympiad Geometry
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NIMO Reminder and an NT Problem
All Stories have Happy Endings
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MATHCOUNTS
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AMC 12A 2015
2014 Reflection
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Killing an AIME #15
Collegiate Thoughts and December TST #1
Only MIT
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Baltic Way Part 1
A Few AIME-level Problems and some Subliminal Advertising
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I haven't posted here in over a month
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A Few Problems
A Brief Explanation of e
A Box of Plaques is like a Time Capsule
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Moar Geo
The OMO Forum
Goals for 2015
"Bridging the Olympiad Gap" Solutions
That Famous Mandelbrot Problem
Interstellar Math Madness?
4000th post!
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A Tribute to Two Lost Classmates
Brett Farve
iTest Tournament of Champions 2008 Round 3 #5
iTest Tournament of Champions 2008 Round 2
iTest Tournament of Champions 2008 Round 1
Interest in Mock Mandelbrot?
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Post-Retirement Update #2: A Look Back on School Goals
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Post-Retirement Update #1
Farewell Mock Geometry "AMC"
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Princeton Splash 2014
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help
Purple Comet 2014
Olympiad Geometry
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Hmm I haven't blogged on this in a while
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AIME I and a Cursory Reflection
Week of Hell
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I <3 Geo
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Through the Power of whitehouse.gov
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Miscellaneous Thoughts and an Inequality
3 days until
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Brilliant.org
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Thanksgiving Break Math
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Mock AMCs
PUMaC and some Geo
Touching Functional Equations Testimonial
A Problem
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Physics is Phun
Sigh
It's an Olympiad Inequality! (solved during sleeping)
Update on School Goals
Darn it
Recursion is cool
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Is it just me
Induction is too OP
School Goals for 2013-2014
Math Prize for Girls
An Objective Perspective about the State of US Math Education
Contrib
+ August 2013
A nice number theory
Yo dawg
A Potpourri of Math Problems
A troll problem
Unfortunately
I have no life
I would call this a success
A Comparison Between Two Solutions: AMSP Santa Cruz Team Contest
A Slick Combinatorics Problem
Contribs Wanted, Test-Solvers Wanted, Some Math, and Other Stuff
+ July 2013
Combinatorially Thinking?
Advice for Running a Math Club? and some random NT
AwesomeMath Reflection Post
IMO Day 1 (Not) Tomorrow
AMSP Mock AIME at Cornell
AMSP Mock AIME/Obligatory Week 2 Post
Team Contest Round 1
Obligatory AMSP Week 1 Post
+ June 2013
Tell me what's wrong with this picture
AwesomeMath Cornell 2013 and a Problem
School is (almost) FINALLY over.
A most interesting problem
Vote!
Finals start tomorrow
Five stars
Who Wants to Solve an IMO Problem?
User Evaluation
Rampant Hypocrisy on AoPS
The Art of Unnecessarily Bashing Inequalities
+ May 2013
International Physics Online Olympiad: IPhOO
Update on the iTest Problems
iTest 2008
An Attempt at Writing a One-Line Proof
A Random Combo Problem
School Elections
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Asymptote
In an effort to align the Barts
NJ State Biology Exam Tomorrow
USAJMO Official Score Report
AP Calculus BC
Hmm darn
USAJMO Report
+ April 2013
USAJMO Wishes
A Last-Minute Problem
Graph of Number of Thanks per Month
That Classic MOP Geometry Problem
Russian MO's prepare you for USAJMO, right?
congrats dude
USAMO/USAJMO qualification indeces
Brilliant.org Physics
Spread the word
Progression of USAJMO indeces so far
+ March 2013
I guess I was a liar then
All-Russian MO
A beautiful problem
Good luck to all taking the AIME tomorrow!
Science Olympiad States 2013
ASTA Strings Festival 2013
+ February 2013
Hmm almost forgot
2006 MOSP Homework Algebra 1.4
2006 MOSP Homework Algebra 1.2
2006 MOSP Homework Algebra 1.1
IMO 1963 Problem 3
IMO 1962 Problem 2
IMO 1962 Problem 1
+ January 2013
Brilliant.org Level 5 Sample #3
Darn USAMOs are hard
Super Bowl XLVII
Midterms in 1.5 weeks
Science Olympiad Regionals
AwesomeMath Cornell 2013
+ December 2012
A Russia 1992 Inequality from BT's Blog
Math is hard
Mathematical Olympiad Challenges
A Puerto Rican Geometric Inequality
Inequalities Galore
+ November 2012
Some MathZoom Induction Problems and 2011 USAJMO #5
2008 AIME I Problem 14
+ October 2012
Wow
2012 Panafrican Mathematics Olympiad #1
AoPS Introduction to Geometry Problem
Some Series Problems
+ September 2012
More Geo and Some Algebra
Some Geo Problems
I finally did it
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Pell Equation Olympiad Problem
Have you ever had that feeling
A problem from Bulgaria 1993
Some Inequality Problems
Schedule! and Some Easy Problems
Recursive Induction, and an AIME #12
+ July 2012
It's an olympiad inequality!
Some old IMTS NT
2007 AMC 12A #25, Intermediate Algebra #11.58
To celebrate 3000 views
Complex number bashing
Olook a Romanian Diophantine Equation
My First Problem After MathZoom
MathZoom Reflection Post
Yet Another Obligatory MathZoom Post
Obligatory During-MathZoom Post
+ June 2012
MathZoom 2012 @ RPI
Hey!
Equation from M&IQ
+ May 2012
NT Problem from Belarus MO 1994 (PEN D20)
1984 Balkan MO #1
2007 JBMO Problem 1
Introductory Complex Number Bash
+ April 2012
I just realized
Algebra #30: Quick Olympiad Problem
+ March 2012
AIME I = AIME II (and a couple of relatively simple problems)
Also jumping onto the bandwagon
I feel stupid
Paula the painter was RECYCLED?
AIME I tomorrow...
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MathZoom 2012
AMC Unofficial Results
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Algebra #30
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Geometry #10: Yay first legit Olympiad Geo proof
Geometry #9: Yay first Olympiad Geo Proof
Dang
Revived
An Efficient way to Draw a Building
Intermediate Algebra Chapter 4.2.5 Problem
Geometry #8/Trigonometry #5: Circular Arcs
+ November 2011
Combinatorics #1: Narrowing Down Choices
Algebra #29: Vieta's Expression
Aw dang...
Algebra #28/Trigonometry #6: My Prediction was Wrong
GAAAAAAAAAAAH
42 days
Algebra #27
Predicting When I Will Solve my First AIME #15
Trigonometry #6: Find the Error
BASKETBALL
Sonnhard speaks out!
What resources would one suggest
+ October 2011
Algebra #26
I need to increase my post quality
You don't know how good it feels
Nobody uses the search function anymore...
Coefficient of a Polynomial Function
There Was A Moose
Contributor Check Results
I really should stop liking math so much
Trigonometry #5 and an Interesting Discovery
USAMTS Round 1 is now Over!
Algebra #25
Contributor Check
Algebra #24
Algebra#23
Thinking about Assisting MathCOUNTS Team
Change Your Avatar
2011 Users by Post Count - October 2011 Top 25
Darjn, Asymptote is pretty beast
Happy birthday
+ September 2011
I wish my area had a math circle
I seem to end threads a lot
Geometry #7/Trigonometry #4
Algebra #22
Algebra #21
Algebra #20
Gen8 is gone
Our Assumptions were Right!
Hrm
Who is this kid?
Algebra #19/Number Theory #10
AMC10 Test Results!
Lolwut?
+ August 2011
Geometry #6 and Trigonometry #3
Algebra #18
Algebra #17b
Algebra #17a
Your Turn #2
Your Turn! #1
Algebra #16/Number Theory #9
Geometry #5
Geometry #4
Geometry #3
Geomretry #2
Algebra #15
Algebra #14
Geometry #1
Algebra #13
Number Theory #8
Algebra #12
Algebra #11
Number Theory #7
Algebra #10
Algebra #9
Algebra #8
Algebra #7
Algebra #6
Trigonometry#2 and Algebra#5
Algebra #4
V/LA
Algebra #3
Number Theory #6
Number Theory #5
Number Theory #4
Trigonometry #1
Number Theory #3
Number Theory #2
Algebra #2
Algebra #1
Number Theory #1
New Blog!
Shouts
Submit

  • dj so orz :omighty:

    by Yiyj1, Mar 29, 2025, 1:42 AM

  • legendary problem writer

    by Clew28, Jul 29, 2024, 7:20 PM

  • orz $$\,$$

    by balllightning37, Jul 26, 2024, 1:05 AM

  • hi dj $ $ $ $

    by OronSH, Jul 23, 2024, 2:14 AM

  • i wanna submit my own problems lol

    by ethanzhang1001, Jul 20, 2024, 9:54 PM

  • hi dj, may i have the role of contributer? :D

    by lpieleanu, Feb 23, 2024, 1:31 AM

  • This was helpful!

    by YIYI-JP, Nov 23, 2023, 12:42 PM

  • waiting for a recap of your amc proposals for this year :D

    by ihatemath123, Feb 17, 2023, 3:18 PM

  • also happy late bday man! i missed it by 2 days but hope you are enjoyed it

    by ab456, Dec 30, 2022, 10:58 AM

  • Contrib? :D

    by MC413551, Nov 20, 2022, 10:48 PM

  • :love: tfw kakuro appears on amc :love:

    by bissue, Aug 18, 2022, 4:32 PM

  • Hi dj :)

    by 799786, Aug 10, 2022, 1:44 AM

  • Roses are red,
    Wolfram is banned,
    The best problem writer is
    Djmathman

    by ihatemath123, Aug 6, 2022, 12:19 AM

  • hello :)

    by aidan0626, Jul 26, 2022, 5:49 PM

  • Do you have a link to your main blog that you started after graduating from high school, I couldn't find it. @dj I met you IRL at Awesome Math summer Program several years ago.

    by First, Mar 1, 2022, 5:18 PM

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