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Protons hold a positive sign, which is represented by the plus sign. Similarly, electrons hold a negative charge, which is represented by a negative sign.
There can be different categories of symbols used, but the ones you are referring to would be operators, such as the signs for addition, subtraction, multiplication and division. Other symbols used include brackets and symbols to aid formatting like currency symbols, decimal points and percentage signs.
A plus sign, a minus sign and a star, which is used for multiplication.
Taurus
Taurus
Cancer is represented by a crab.
In a chemical reaction compounds are represented by chemical formulas.
Rules of operators additon and multiplication (+) + (+) = + (+) + (-) OR (-)+(+)= sign of bigger number (-) + (-) = -(operation is addition but sign is -) (+) * (+) = + (-) * (-) = + (+) * (-) OR (-)*(+)= -
It can be both. An operand is something that the operators act upon. Cell references will allow for variables and the numbers in a formula would be constant. Both are operated on by the operators.
Libra
Aries (Tropical Zodiac)
The relational operators are == (equal), != (not equal), < (less than), <= (less than or equal to), > (greater than) and >= (greater than or equal to). All relational operators are boolean, returning true or false depending on the l-value relationship with the r-value, with respect to the operator.