Any letter you can think of can be used as a variable. They can be uppercase or lowercase. When you get into more complex math applications, you might have several variables in one equation, so your ability to use more than one variable at a time will become important.
A glitch is a short-lived fault in a system, such as a transient fault that corrects itself, making it difficult to troubleshoot. The term is particularly common in a computing and electronics industries, in circuit bending, as well as among players of video games.
A galah, in Australian slang, means a foolish person. The word galah, for the bird, is a cross between the Aboriginal names of gulah, gillar and galar. Flocks of galahs are noisy, with the birds' constant calling.In Australia, people often call it a 'galah session' when people keep talking for a long time.he word galah, for the bird, is a cross between the Aboriginal names of gulah, gillar and galar. Flocks of galahs are noisy, with the birds' constant calling. In Australia, people often call it a 'galah session' when people keep talking for a long time.