2. Constants are names with certain meanings, which are used to replace numbers or strings, and their values never change.
In mathematics, the capital c is often used to represent a constant.
4. Constant is a fixed value.
5. For example, the ratio of circumference to diameter (π) of a circle is about 14 159, and the expansion coefficient of iron is 0.0000 12.
6. Constants are names with certain meanings, which are used to replace numbers or strings, and their values never change.
7. Mathematical constants refer to constants with constant values, and vice versa.
8. Unlike most physical constants, the definition of mathematical constants has nothing to do with all physical measurements.
9. Mathematical constants are usually real or complex elements.
10. Mathematical constants can be called definable numbers (usually computable).
1 1. Other alternative representations can be found in mathematical constants (arranged by continued fraction).
12. Constant, also called definite number, refers to a constant with a constant value, and vice versa.
13. (Constant refers to a number greater than zero).