Bitcoin arithmetic refers to the process of translating a private key into a public key.To understand this process, it is important to clarify the meanings of certain symbols:Q and k are symbols whose specific representations are unknown in this context.G represents a generator point on the elliptic curve used in Bitcoin's cryptography.n is a variable that signifies the repetition of an operation.X refers to the private key, while x and y represent a point on the curve.p is the largest prime number smaller than 2^256.The exact meaning of the symbol P is unknown.