ok so i got this today and i need help in figuring out whether i can actually simplify logs on it? or expand them? or convrt them to exponents?

also, when graphing i get the graph, but how i get the points on the graph? i dont see them. i guess this ill figure out from a yoitube video or something, but can someone tell me if i can do those things on it?

and should i have had gotten a cas instea? im taking precal. had i had this thing i wouldve been getting 100's on my exams, i make silly mistakes like messing up signs ok anyway, my exam is tomorrow on logs, exponents qnd trig. any help providd is appreciated.