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.
variable-a quantity that can assume any of a set of values. variable quantity. quantity-the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable. argument-a variable in a logical or mathematical expression whose value determines the dependent variable; if f(x)=y, x is the independent variable.