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.
Fenugreek is an herb that has long been used in cooking and in traditional Asian medicine to stabilize blood sugar and fight diabetes. From This Episode: The Cringeworthy Truth About the Supermarket