Earned on 18 Jul 2014 for solving all the problems in Project Euler I.
Earned on 20 Jan 2017 for solving all the problems in R2016b Feature Challenge.
Earned on 15 Jan 2014 for solving all the problems in CUP Challenge.
Earned on 8 Oct 2019 for liking Problem 748. Wrapping the Tower of Pisa.
Earned on 23 May 2012 for commenting on Problem 710. Replace Vector Elements.
Earned on 4 Apr 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 17 May 2012 for submitting the best solution Solution 89848.
Earned on 2 Jul 2014 for first solving Problem 615. Nilpotent matrix.
Earned on 22 Apr 2012 for creating Problem 611. surrounded matrix.
Earned on 14 Mar 2013 for solving all the problems in Cody Challenge.
Earned on 17 Jan 2019 for having 50 or more solvers for Problem 611. surrounded matrix.
Earned on 3 Sep 2013 for solving all the problems in Tiles Challenge.
Earned on 4 Sep 2013 for solving 500 problems.
Earned on 19 Sep 2013 for solving all the problems in ASEE Challenge.
Earned on 10 Sep 2014 for creating 10 problems.
Earned on 23 Nov 2020 for receiving 25 total likes for the created problems.
Solve a community group
Solve all the problems in Introduction to MATLAB problem group.
25 solvers for the group curated by the player
Solve all the problems in Draw Letters problem group.
Solve all the problems in Cody5:Easy problem group.
Solve all the problems in Cody Problems in Japanese problem group.
Solve all the problems in Indexing I problem group.
Solve all the problems in Indexing II problem group.
Solve all the problems in Matrix Manipulation I problem group.
Solve all the problems in Magic Numbers problem group.
Solve all the problems in Sequences & Series I problem group.
Solve all the problems in Computation Geometry I problem group.
Must receive 10 likes for a problem you created.
Solve all the problems in Matrix Patterns problem group.
Solve all the problems in Number Manipulation I problem group.
Solve all the problems in Strings I problem group.
Solve all the problems in Divisible by x problem group.
Solve all the problems in Matrix Manipulation II problem group.
Solve all the problems in Matrix Patterns II problem group.
Solve all the problems in Magic Numbers II problem group.
Solve all the problems in Sequences & Series II problem group.
Solve all the problems in Indexing III problem group.
Solve all the problems in Matrix Patterns III problem group.
Solve all the problems in Cody5:Hard problem group.
Solve all the problems in Functions I problem group.
Solve all the problems in Indexing V problem group.
Solve all the problems in Number Manipulation II problem group.
Solve all the problems in Card Games problem group.
Solve all the problems in Sequences & Series III problem group.
Solve all the problems in Strings II problem group.
Solve all the problems in Matrix Manipulation III problem group.
Solve all the problems in Indexing IV problem group.
Must receive 50 total likes for the solutions you submitted.
Solve all the problems in Strings III problem group.
Solve all the problems in Computational Geometry II problem group.
Must receive 10 likes for a solution you submitted.
Solve all the problems in Computational Geometry IV problem group.
Solve all the problems in Logic problem group.
Solve all the problems in Fundamentals of robotics problem group.
Solve all the problems in Word Puzzles problem group.
Solve all the problems in Combinatorics - I problem group.
Solve all the problems in Computational Geometry III problem group.
Solve all the problems in Computer Games I problem group.
Solve all the problems in Modeling and Simulation Challenge problem group.