Cesareo R. has helped students times in

Summary of contribution activity by day

On a 4 day streak. Longest streak: 93 days
52 thank you notes

Cesareo R.

Retired engineer from Escola Politecnica do Estado de São Paulo, giving back a little of what received from magnificent brazilian teachers.

96K karma · I am a spanish brazilian.
Teaching the World! On Fire! Trophy Case! Bold Learner! Friendly Face! Tinkerer!
Level 15 in Calculus Level 14 in Algebra Level 13 in Precalculus Level 11 in Trigonometry Level 10 in Geometry Level 9 in Physics Level 3 in Prealgebra
Recent collaborators
Activity 1330 Answers 663 Edits 75 Asked