What does it mean to add-before excel function, such as =-text ()? In front of it is-what is it?

(-) negative is positive.

(* 1) Any number multiplied by 1 is itself.

(/1) Any number divided by 1 itself.

(+0) Any number plus 0 itself.

The above are often encountered in the application of excel functions. Its function is basically the same, which is to convert text numbers or logical numbers into numerical values.

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