Press those buttons then put your number, it should tell you the answer.
if i say the credits, then i will just spoil it. you're halfway there for the spoilness spoil alert! music from the ?: carrmelldansen your answer from the oh god why username: biz markie says "oh, snap!" if you can't hear "biz markie says "oh, snap!", listen carefully. added that if you roasted the calculator, or um, idk.