Valid names for symbols may be constructed using letters, digits, and the apostrophe, and should not begin with a digit.
i1 : x |
i2 : q0r55 |
i3 : f' |
Some symbols have preassigned meanings and values. For example, symbols consisting of the letter o followed by a number are used to store output values.
i4 : o2 |
Other symbols refer to functions built in to Macaulay 2 that provide much of its functionality, as we will learn.
The class of all symbols is Symbol.