What does this mean ⊙?

⊙ (mathematics, physics) A vector pointing out of the page. (mathematics) An operator indicating special-defined operation that is similar to dot product.

What does a cross in a circle mean in physics?

Answer: Cross(X) means field is inwards i.e., away from you. Dot(.) means field is outwards i.e., coming towards you.

What does ⊕ mean in math?

The symbol ⊕ means direct sum. The direct sum of two abelian groups G and H is the abelian group on the set G×H (cartesian product) with the group operation given by (g,h)+(g′,h′)=(g+g′,h+h′).

What does a circle with a cross through it mean in math?

In logic and CompSci, ⊕ is used to denote the “exclusive or” or “XOR”: x∨y∧¬(x∧y). In set theory, ⊕ denotes the disjoint union. In linear algebra/vector analysis, it’s used to denote the direct sum of two vector spaces.

What a circle symbolizes?

The circle is a universal symbol with extensive meaning. It represents the notions of totality, wholeness, original perfection, the Self, the infinite, eternity, timelessness, all cyclic movement, God (‘God is a circle whose centre is everywhere and whose circumference is nowhere’ (Hermes Trismegistus)).

What is plus in a circle?

The circle with a plus sign icon means that you have enabled the phone’s data saver feature.

What is O in engineering?

It could denote a diameter measurement. Ø = 15 mm means the diameter of some pipe or shaft is 15 mm. Ø denotes the empty set or null set. Similar to the empty set, as a slashed zero it might be used to help distinguish between the unslashed zero 0 and the capital O.

What does 2 circles mean?

The two circles represent heaven and earth and the overlapping center is the… |

Why is the sun cross a symbol of the Sun?

Since the sun looks fiery and gives both warmth and light, the cross was a suitable enhancement of the circle to distinguish it from the full moon and other planets. The Sun Cross is an ancient symbol; carvings of which were found in 1980 on the bases of Bronze-age burial urns at Southworth Hall Barrow, Croft, Cheshire, England.

What does a cross inside a circle mean?

A sun cross, solar cross, or wheel cross is a solar symbol consisting of an equilateral cross inside a circle. The design is frequently found in the symbolism of prehistoric cultures, particularly during the Neolithic to Bronze Age periods of European prehistory.

What does the cross symbolize?

It is often seen in gothic fashion or heavy metal, and is a symbol of humility. The Christian cross, or Latin cross, is perhaps the most famous and instantly recognizable cross. Also known as the High cross, the base of the cross is longer than its three arms. It is a plain and simple cross that is symbol of faith.

What does the solar cross represent in Wicca?

In Wicca, the solar cross represents not only the Sun but also the four quadrants of the Wheel of the Year, the cycle of the four seasons.