Give the calculator your operation then give your first number then the second number. Wait a bit, and the calculator will give you your answer. Press M to mute the music. I found this feature useful if you are watching a movie or something then you do not want to hear the music, so yeah. To add the music again, press space. This does not conflict with answering the questions. Press the green flag to reset. And yeah, I know that it's a very derpy calculator. l l l V If you see this, try doing 0 divided by 0. It's a weird response.
I just thought about my math class in school and thought of making a working calculator in scratch! This involves a bunch of code and a few custom blocks. Thanks again to @Maxly737 for typewriter animation! Song- Heroes Tonight, downloaded from mp3juices.cc