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Duane Hanselman

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Company/University

University of Maine

Personal Profile

Electrical Engineering professor. Coauthor of the "Mastering MATLAB" book series.

119Rank
3Badges
2190Score

Solver +10

Earned on 26 Feb 2012 for solving Problem 1. Times 2 - START HERE.

Promoter +10

 

Like a problem or solution.

Commenter +10

Earned on 2 May 2012 for commenting on Problem 446. Solve the set of simultaneous linear equations .

Creator +20

 

Create a problem.

Speed Demon +50

 

Solve a problem first.

Leader +20

Earned on 25 Dec 2013 for submitting the best solution Solution 374905.

CUP Challenge Master +50

 

Solve all the problems in CUP Challenge problem group.

Quiz Master +20

 

Must have 50 solvers for a problem you created.

Tiles Challenge Master +50

 

Solve all the problems in Tiles Challenge problem group.

Cody Challenge Master +50

 

Solve all the problems in Cody Challenge problem group.

ASEE Challenge Master +50

 

Solve all the problems in ASEE Challenge problem group.

Puzzler +50

 

Create 10 problems.

Scholar +50

 

Solve 500 problems.

Famous +20

 

Must receive 25 total likes for the problems you created.

Renowned +20

 

Must receive 10 likes for a solution you submitted.

Celebrity +20

 

Must receive 50 total likes for the solutions you submitted.

Likeable +20

 

Must receive 10 likes for a problem you created.