👉 A ternion is a special case of a ternary number, which is a binary numeral system that uses only three symbols (0, 1, and 2) to represent positive integers. The terno-terni number system was developed in the early 19th century by the German mathematician Carl Friedrich Gauss. In the terno-terni system, each digit represents either 0, 1, or 2, with the values of 0 being considered to be