If you use convection ovens, you will have to bake the potatoes for 45 minutes at 375 F or 60 minutes at 325 F or 90 minutes at 300 F. Convection ovens cook faster than regular ovens so the rule of thumb is to set the temperature in convection ovens at least 25 F lower than you would set in a regular oven.
The Earth's rotation around the sun is a constant. The definition of constant is something that doesn't change or something that continues or remains steady. An example of constant is the earth's rotation around the sun.
The term variable is used in the field of computing too, especially in programming. It refers to a block memory in the program where different values can be stored. More about Constant. In mathematics, a constant is a quantity that does not change its value. Constants are also symbolized by an English or a Greek letter. Usually it represents a real number which has special properties in the context of the problem or the scenario it is used.