Mr. Mario Barrientos
Senior Instructor
Department of Mathematics

- mario.barrientos@angelo.edu
- Phone
- 325-486-5427
- Office
- Mathematics-Computer Science Building 209
Office Hours
Monday
9 - 11 a.m.
Tuesday
10 a.m. – 12 pm
Wednesday
9 - 11 a.m.
Thursday
10 a.m. – 12 p.m.
Friday
9 - 11 a.m.