Art of Problem Solving
AoPS Online AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy AoPS Academy
Small live classes for advanced math
and language arts learners in grades 1-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

Stay ahead of learning milestones! Enroll in a class over the summer!
Site Support Tech support and questions about AoPS classes and materials
Tech support and questions about AoPS classes and materials
3 M G
BBookmark  VNew Topic kLocked
Site Support Tech support and questions about AoPS classes and materials
Tech support and questions about AoPS classes and materials
3 M G
BBookmark  VNew Topic kLocked
t 
18,632 topics
w
9 users
TOPICS
No tags match your search
M
Alcumus
blogs
LaTeX
FTW
search
geometry
Support
email
MATHCOUNTS
function
AMC
AoPSwiki
Bug
Reaper
Forums
AIME
suggestion
poll
site support
AMC 10
AoPS
Asymptote
AoPS classes
videos
posts
Glitch
pms
calculus
Suggestions
help
probability
classroom
number theory
classes
AMC 8
AoPS Books
question
Forum
glitch or bug
Greed Control
3D geometry
AIME I
USA(J)MO
Tags
Friends
Homework
Avatars
BBCode
upvotes
Post
No tags match your search
M
G
Topic
First Poster
Last Poster
H
k a April Highlights and 2025 AoPS Online Class Information
jlacosta   0
Apr 2, 2025
Spring is in full swing and summer is right around the corner, what are your plans? At AoPS Online our schedule has new classes starting now through July, so be sure to keep your skills sharp and be prepared for the Fall school year! Check out the schedule of upcoming classes below.

WOOT early bird pricing is in effect, don’t miss out! If you took MathWOOT Level 2 last year, no worries, it is all new problems this year! Our Worldwide Online Olympiad Training program is for high school level competitors. AoPS designed these courses to help our top students get the deep focus they need to succeed in their specific competition goals. Check out the details at this link for all our WOOT programs in math, computer science, chemistry, and physics.

Looking for summer camps in math and language arts? Be sure to check out the video-based summer camps offered at the Virtual Campus that are 2- to 4-weeks in duration. There are middle and high school competition math camps as well as Math Beasts camps that review key topics coupled with fun explorations covering areas such as graph theory (Math Beasts Camp 6), cryptography (Math Beasts Camp 7-8), and topology (Math Beasts Camp 8-9)!

Be sure to mark your calendars for the following events:
[list][*]April 3rd (Webinar), 4pm PT/7:00pm ET, Learning with AoPS: Perspectives from a Parent, Math Camp Instructor, and University Professor
[*]April 8th (Math Jam), 4:30pm PT/7:30pm ET, 2025 MATHCOUNTS State Discussion
April 9th (Webinar), 4:00pm PT/7:00pm ET, Learn about Video-based Summer Camps at the Virtual Campus
[*]April 10th (Math Jam), 4:30pm PT/7:30pm ET, 2025 MathILy and MathILy-Er Math Jam: Multibackwards Numbers
[*]April 22nd (Webinar), 4:00pm PT/7:00pm ET, Competitive Programming at AoPS (USACO).[/list]
Our full course list for upcoming classes is below:
All classes run 7:30pm-8:45pm ET/4:30pm - 5:45pm PT unless otherwise noted.

Introductory: Grades 5-10

Prealgebra 1 Self-Paced

Prealgebra 1
Sunday, Apr 13 - Aug 10
Tuesday, May 13 - Aug 26
Thursday, May 29 - Sep 11
Sunday, Jun 15 - Oct 12
Monday, Jun 30 - Oct 20
Wednesday, Jul 16 - Oct 29

Prealgebra 2 Self-Paced

Prealgebra 2
Sunday, Apr 13 - Aug 10
Wednesday, May 7 - Aug 20
Monday, Jun 2 - Sep 22
Sunday, Jun 29 - Oct 26
Friday, Jul 25 - Nov 21

Introduction to Algebra A Self-Paced

Introduction to Algebra A
Monday, Apr 7 - Jul 28
Sunday, May 11 - Sep 14 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Wednesday, May 14 - Aug 27
Friday, May 30 - Sep 26
Monday, Jun 2 - Sep 22
Sunday, Jun 15 - Oct 12
Thursday, Jun 26 - Oct 9
Tuesday, Jul 15 - Oct 28

Introduction to Counting & Probability Self-Paced

Introduction to Counting & Probability
Wednesday, Apr 16 - Jul 2
Thursday, May 15 - Jul 31
Sunday, Jun 1 - Aug 24
Thursday, Jun 12 - Aug 28
Wednesday, Jul 9 - Sep 24
Sunday, Jul 27 - Oct 19

Introduction to Number Theory
Thursday, Apr 17 - Jul 3
Friday, May 9 - Aug 1
Wednesday, May 21 - Aug 6
Monday, Jun 9 - Aug 25
Sunday, Jun 15 - Sep 14
Tuesday, Jul 15 - Sep 30

Introduction to Algebra B Self-Paced

Introduction to Algebra B
Wednesday, Apr 16 - Jul 30
Tuesday, May 6 - Aug 19
Wednesday, Jun 4 - Sep 17
Sunday, Jun 22 - Oct 19
Friday, Jul 18 - Nov 14

Introduction to Geometry
Wednesday, Apr 23 - Oct 1
Sunday, May 11 - Nov 9
Tuesday, May 20 - Oct 28
Monday, Jun 16 - Dec 8
Friday, Jun 20 - Jan 9
Sunday, Jun 29 - Jan 11
Monday, Jul 14 - Jan 19

Intermediate: Grades 8-12

Intermediate Algebra
Monday, Apr 21 - Oct 13
Sunday, Jun 1 - Nov 23
Tuesday, Jun 10 - Nov 18
Wednesday, Jun 25 - Dec 10
Sunday, Jul 13 - Jan 18
Thursday, Jul 24 - Jan 22

Intermediate Counting & Probability
Wednesday, May 21 - Sep 17
Sunday, Jun 22 - Nov 2

Intermediate Number Theory
Friday, Apr 11 - Jun 27
Sunday, Jun 1 - Aug 24
Wednesday, Jun 18 - Sep 3

Precalculus
Wednesday, Apr 9 - Sep 3
Friday, May 16 - Oct 24
Sunday, Jun 1 - Nov 9
Monday, Jun 30 - Dec 8

Advanced: Grades 9-12

Olympiad Geometry
Tuesday, Jun 10 - Aug 26

Calculus
Tuesday, May 27 - Nov 11
Wednesday, Jun 25 - Dec 17

Group Theory
Thursday, Jun 12 - Sep 11

Contest Preparation: Grades 6-12

MATHCOUNTS/AMC 8 Basics
Wednesday, Apr 16 - Jul 2
Friday, May 23 - Aug 15
Monday, Jun 2 - Aug 18
Thursday, Jun 12 - Aug 28
Sunday, Jun 22 - Sep 21
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)

MATHCOUNTS/AMC 8 Advanced
Friday, Apr 11 - Jun 27
Sunday, May 11 - Aug 10
Tuesday, May 27 - Aug 12
Wednesday, Jun 11 - Aug 27
Sunday, Jun 22 - Sep 21
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)

AMC 10 Problem Series
Friday, May 9 - Aug 1
Sunday, Jun 1 - Aug 24
Thursday, Jun 12 - Aug 28
Tuesday, Jun 17 - Sep 2
Sunday, Jun 22 - Sep 21 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Monday, Jun 23 - Sep 15
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)

AMC 10 Final Fives
Sunday, May 11 - Jun 8
Tuesday, May 27 - Jun 17
Monday, Jun 30 - Jul 21

AMC 12 Problem Series
Tuesday, May 27 - Aug 12
Thursday, Jun 12 - Aug 28
Sunday, Jun 22 - Sep 21
Wednesday, Aug 6 - Oct 22

AMC 12 Final Fives
Sunday, May 18 - Jun 15

F=ma Problem Series
Wednesday, Jun 11 - Aug 27

WOOT Programs
Visit the pages linked for full schedule details for each of these programs!

MathWOOT Level 1
MathWOOT Level 2
ChemWOOT
CodeWOOT
PhysicsWOOT

Programming

Introduction to Programming with Python
Thursday, May 22 - Aug 7
Sunday, Jun 15 - Sep 14 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Tuesday, Jun 17 - Sep 2
Monday, Jun 30 - Sep 22

Intermediate Programming with Python
Sunday, Jun 1 - Aug 24
Monday, Jun 30 - Sep 22

USACO Bronze Problem Series
Tuesday, May 13 - Jul 29
Sunday, Jun 22 - Sep 1

Physics

Introduction to Physics
Wednesday, May 21 - Aug 6
Sunday, Jun 15 - Sep 14
Monday, Jun 23 - Sep 15

Physics 1: Mechanics
Thursday, May 22 - Oct 30
Monday, Jun 23 - Dec 15

Relativity
Sat & Sun, Apr 26 - Apr 27 (4:00 - 7:00 pm ET/1:00 - 4:00pm PT)
Mon, Tue, Wed & Thurs, Jun 23 - Jun 26 (meets every day of the week!)
0 replies
jlacosta
Apr 2, 2025
0 replies
J
H
Introducing myself at AoPS, and what's your magic wand?
asuth_asuth   978
N a few seconds ago by YM2013
Hi!

I'm Andrew Sutherland. I'm the new Chief Product Officer at AoPS. As you may have read, Richard is retiring and Ben Kornell and I are working together to lead the company now. I'm leading all the software and digital stuff at AoPS. I just wanted to say hello and introduce myself! I'm really excited to be part of the special community that is AoPS.

Previously, I founded Quizlet as a 15-year-old high school student. I did Course 6 at MIT and then left to lead Quizlet full-time for a total of 14 years. I took a few years off and now I'm doing AoPS! I wrote more about all that on my blog: https://asuth.com/im-joining-aops

I have a question for all of you. If you could wave a magic wand, and change anything about AoPS, what would it be? All suggestions welcome! Thank you.
978 replies
asuth_asuth
Mar 30, 2025
YM2013
a few seconds ago
J
H
Hieroglyph (and Petroglyph?) on Post #1
awesomeming327.   11
N 28 minutes ago by RainbowJessa
Steps to Reproduce:
1. Click this link
2. Scroll up.
Behavior: it should show two copies of a certain "post #0" above post #1.
Frequency: 100%

Mac OS, Arc Browser (which runs on Chromium)

Note: you can also click on "view topic" on the N7 of the 2023 ISL
11 replies
awesomeming327.
Yesterday at 6:07 PM
RainbowJessa
28 minutes ago
J
H
k Reaper....
Happycat2   23
N 5 hours ago by MathPerson12321
Can someone explain what the reaper is this time? I'm sorry but I don't know what "Rapper ear error a pear perrier ear ape ea games" means.
23 replies
Happycat2
Yesterday at 8:22 PM
MathPerson12321
5 hours ago
J
H
something glitched?
JohannIsBach   10
N Yesterday at 4:40 PM by valisaxieamc
hi. my aops whenever i go 2 the website the website is like way to big and i cant access anything? i am on via an ingognito window but its kind of inconvenient not sure if its just my laptop or the website. i cant recreat it on any other device? plz help [/resolved]
10 replies
JohannIsBach
Apr 25, 2025
valisaxieamc
Yesterday at 4:40 PM
J
No more topics!
H
J
H
k AoPS Wiki signs out
k1glaucus   20
N Apr 4, 2025 by jlacosta
Summary of the problem: Whenever I go to AoPS wiki, it signs me out
Page URL: https://artofproblemsolving.com/wiki/index.php?title=Main_Page
Steps to reproduce:
1. Go to AoPS wiki
2. In the top right where normally it would show your profile, it shows the sign in button
3. Pressing the sign in button also does not do anything for me, it just refreshes the page
4. If I go to any page I can't edit it, so it's not just a display bug
Expected behavior: I stay signed in
Frequency: Every time
Operating system(s): macOS Sonoma
Browser(s), including version: Safari
Additional information: Clicking sign in doesn't work, it just refrfeshes the page, and if I go to any other page I'm signed in again.
20 replies
k1glaucus
Apr 2, 2025
jlacosta
Apr 4, 2025
J
AoPS Wiki signs out
G H J
Reveal topic tags
AoPSwiki
L
G H BBookmark kLocked kLocked NReply
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
k1glaucus
669 posts
k1glaucus
#1 h  Apr 2, 2025, 4:18 PM
Y by
Summary of the problem: Whenever I go to AoPS wiki, it signs me out
Page URL: https://artofproblemsolving.com/wiki/index.php?title=Main_Page
Steps to reproduce:
1. Go to AoPS wiki
2. In the top right where normally it would show your profile, it shows the sign in button
3. Pressing the sign in button also does not do anything for me, it just refreshes the page
4. If I go to any page I can't edit it, so it's not just a display bug
Expected behavior: I stay signed in
Frequency: Every time
Operating system(s): macOS Sonoma
Browser(s), including version: Safari
Additional information: Clicking sign in doesn't work, it just refrfeshes the page, and if I go to any other page I'm signed in again.
Attachments:
This post has been edited 1 time. Last edited by k1glaucus, Apr 2, 2025, 4:23 PM
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
jb2015007
1921 posts
jb2015007
#2 h  Apr 2, 2025, 4:34 PM
Y by
Who cares!?
the lag is gone!
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
idk12345678
384 posts
idk12345678
#3 h  Apr 2, 2025, 4:38 PM
Y by
yeah same for me, the lag is gone, but now cant sign in
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
k1glaucus
669 posts
k1glaucus
#4 h  Apr 2, 2025, 4:40 PM
Y by
jb2015007 wrote:
Who cares!?
the lag is gone!

yeah, but im pretty sure if youre not singed in you can't edit or create pages
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
jb2015007
1921 posts
jb2015007
#5 h  Apr 2, 2025, 4:45 PM
Y by
oh yeah mb lol
mustve happened when they were fixing the lag lol
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
Craftybutterfly
406 posts
Craftybutterfly
#6 h  Apr 2, 2025, 5:08 PM
Y by
Can reproduce. However, if you press community, your logged in again.
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
k1glaucus
669 posts
k1glaucus
#7 h  Apr 2, 2025, 5:09 PM
Y by
Craftybutterfly wrote:
Can reproduce. However, if you press community, your logged in again.

yeah, but there's no way to sign in on the wiki :/
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
DottedCaculator
7344 posts
DottedCaculator
#8 h  Apr 2, 2025, 5:15 PM
Y by
k1glaucus wrote:
Craftybutterfly wrote:
Can reproduce. However, if you press community, your logged in again.

yeah, but there's no way to sign in on the wiki :/

there is, the wiki operates on a separate system to the rest of aops
This post has been edited 1 time. Last edited by DottedCaculator, Apr 2, 2025, 5:15 PM
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
k1glaucus
669 posts
k1glaucus
#9 h  Apr 2, 2025, 5:16 PM
Y by
DottedCaculator wrote:
k1glaucus wrote:
Craftybutterfly wrote:
Can reproduce. However, if you press community, your logged in again.

yeah, but there's no way to sign in on the wiki :/

there is

what how
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
martianrunner
183 posts
martianrunner
#10 h  Apr 3, 2025, 1:56 AM
Y by
can reproduce, and was about to report the same bug myself

i want to edit the aops wiki but i cant because of this bug :(
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
paixiao
1743 posts
paixiao
#11 h  Apr 3, 2025, 2:08 AM
Y by
can reproduce; this morning on chromebook
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
jkim0656
1004 posts
jkim0656
#12 h  Apr 3, 2025, 2:12 AM
Y by
can reproduce, at least no lag yay!
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
LawofCosine
835 posts
LawofCosine
#13 h  Apr 3, 2025, 3:40 AM
Y by
can reproduce
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
therandomperson
1 post
therandomperson
#14 h  Apr 3, 2025, 4:15 AM
Y by
new user; can reproduce
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
At777
838 posts
At777
#15 h  Apr 3, 2025, 4:33 AM
Y by
Can reproduce.
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
Yiyj1
1264 posts
Yiyj1
#16 h  Apr 3, 2025, 4:47 AM • 1 Y
Y by PikaPika999
Can reproduce.
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
greenplanet2050
1318 posts
greenplanet2050
#17 h  Apr 4, 2025, 12:00 AM • 1 Y
Y by PikaPika999
can def reproduce

was going to report this
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
Yihangzh
1057 posts
Yihangzh
#18 h  Apr 4, 2025, 12:04 AM • 1 Y
Y by PikaPika999
can reproduce
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
jkim0656
1004 posts
jkim0656
#19 h  Apr 4, 2025, 4:05 AM
Y by
they're prob doing something to reduce lag to the wiki, that's why
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
derekwang2048
1223 posts
derekwang2048
#20 h  Apr 4, 2025, 4:06 AM
Y by
jkim0656 wrote:
they're prob doing something to reduce lag to the wiki, that's why

i was about to say that lol
can reproduce
i think this is happening in an attempt to make the wiki better (like reducing lag)
Z Y
The post below has been deleted. Click to close.
This post has been deleted. Click here to see post.
jlacosta
634 posts
jlacosta
#21 h  Apr 4, 2025, 10:15 PM • 1 Y
Y by k1glaucus
Thanks, k1glaucus for reporting this issue! We were able to replicate it on our end as well. We've passed it along to our engineering team to take a look.
Z Y
G
H
=
a