Posts

Patience

Cancellation in big sums

Picking out the key points in algebra problems

Math Philosophy posts coming soon!

2019 AIME Problem 8

Putnam 2015 A3

1998 USAMO P1

Unique proof of the rotational inertia of a rectangular plate

2015 AIME I #7

2013 AIME II #12

2016 AIME I #9

A creative approach to a common complex numbers problem

2015 HMMT November General #1

2023 AMC 10A #15

2023 AMC 10A #23

2022 AMC 10A #17

2021 AAMC 10 #19

2021 Fall AMC 10B #14

2021 Fall OMC 10 #10

2021 Fall OMC 10 #13

2021 Fall OMC 10 #14

2013 AMC 10A #21

2018 AMC 10B #22

2018 AMC 10A #24

2018 AMC 10B #25

2021 (Fall) AMC 10A #13

2020 AMC 10B #24

2021 DMC 10 #18

New setup of blog

9/24/2023

9/23/2023

9/15/2023

9/9/2023

8/30/2023

8/25/2023

8/20/2023

8/19/2023

8/16/2023

8/15/2023

8/14/2023

8/11/2023

8/10/2023

8/8/2023

8/7/2023

Introduction