"Jiri, Math & Physics"
...Not just adding and multiplication but computing eignevalues, too, or the Gauss elimination. In other classes, as Crystallography or Statics, it was mainly 3-D vectors. In a computer science class, we used the MatLab to operate with matrices. I passed the Introduction to Thermodynamics (grade = B), Physical Chemistry (C), Material & Energy Balances...
10+ subjects, including elementary math