u/Expert-Persimmon5085

Can someone like give an understandable explanation on what MATLAB actually is and what it's used for? I've searched it up and got unclear answers, but so far I'm guessing it's just a big matrix calculator.

Does anyone know if this class is worth doing during the summer to lighten the load for the 2nd year? I've heard it's a pretty tough class, but 8ams in july is wild