There is no mathematical symbol that I know of which uses color. You may be referring to an organizational emblem, in which case this question has been placed in the wrong category.
It should be noted that '==' is the boolean equivalency operator in most programming languages - it returns true if and only if both sides are equal in value, else it returns false.
They equal a minus and two +'s or two -'s equal a + :)
It means "defined as."
Not greater than or equal to.
Assuming you mean 'logarithm to the base 'e' ( natural logarithm. On the calculator its symbol is 'ln'. Hence ;ln 2 = 0.69314718....
there is no symbol for it.
Not equal
They equal a minus and two +'s or two -'s equal a + :)
It means that the number or expression on the left of the symbol is less that the value or expression to the right, or that they are equal.
Horoscope signs are known to be the personality of the person that is born under it. Each sign has an element, ruled by a planet and has a symbol.
Do you mean the symbol for NBA team the Cleveland Cavaliers?
The blue dragon is said to be a symbol of a leader in Japanese culture.
It is a statement that two numbers are NOT equal.
the blue means the sky and the yellow means the yellow grass and wheat.
Blue signs with letters "WP" typically indicate a water point or water supply. These signs can often be found in parks, campsites, or public areas to help people locate where they can access water.
A line under the greater than symbol means, "greater than or equal to" and can also be represented by ">=" on the keyboard.
A blue H sign mean the hospital doesn't have A/E facilities and the red H sign means it does.
It would help if you had a specific symbol that concerned you. Most are self explanatory