Earned on 3 Jul 2018 for solving all the problems in Draw Letters.

Earned on 8 Aug 2018 for solving all the problems in Strings II.

Earned on 1 May 2018 for solving all the problems in Strings I.

Earned on 10 Apr 2018 for solving all the problems in CUP Challenge.

Earned on 11 Mar 2018 for solving Problem 8. Add two numbers.

Earned on 31 Mar 2018 for creating Problem 44546. Calculating the total earnings of a factory.

Earned on 31 Mar 2018 for first solving Problem 44546. Calculating the total earnings of a factory.

Earned on 1 Apr 2018 for liking Problem 28. Counting Money.

Earned on 1 Apr 2018 for commenting on Solution 1201802.

Earned on 14 Apr 2018 for solving all the problems in Cody Challenge.

Earned on 17 Apr 2018 for submitting the best solution Solution 1495168.

Earned on 21 Apr 2018 for creating 10 problems.

Earned on 24 May 2018 for solving all the problems in ASEE Challenge.

Earned on 2 Jun 2018 for solving 500 problems.

Earned on 16 Jan 2020 at 9:27 for having 50 or more solvers for Problem 44660. Perimeter of a semicircle.

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 Tiles Challenge problem group.

Solve all the problems in Cody5:Easy problem group.

Solve all the problems in Project Euler I problem group.

Solve all the problems in Indexing I problem group.

Solve all the problems in Cody Problems in Japanese 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.

Solve all the problems in Divisible by x problem group.

Must receive 25 total likes for the problems 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 R2016b Feature Challenge problem group.

Solve all the problems in Matrix Patterns II problem group.

Solve all the problems in Matrix Manipulation II problem group.

Solve all the problems in Indexing III problem group.

Solve all the problems in Cody5:Hard problem group.

Solve all the problems in Magic Numbers II problem group.

Solve all the problems in Sequences & Series II problem group.

Must receive 10 likes for a problem you created.

Solve all the problems in Functions I problem group.

Solve all the problems in Matrix Patterns III problem group.

Solve all the problems in Indexing V problem group.

Must receive 50 total likes for the solutions you submitted.

Solve all the problems in Card Games problem group.

Solve all the problems in Sequences & Series III problem group.

Solve all the problems in Matrix Manipulation III problem group.

Solve all the problems in Number Manipulation II problem group.

Solve all the problems in Computational Geometry II problem group.

Solve all the problems in Indexing IV problem group.

Must receive 10 likes for a solution you submitted.

Solve all the problems in Strings III problem group.

Solve all the problems in Computational Geometry IV problem group.

Solve all the problems in Word Puzzles problem group.

Solve all the problems in Computational Geometry III problem group.

Solve all the problems in Logic problem group.

Solve all the problems in Combinatorics - I problem group.

Solve all the problems in Fundamentals of robotics problem group.

Solve all the problems in Modeling and Simulation Challenge problem group.

Solve all the problems in Computer Games I problem group.