Negative exponents
	In the table below the value 1 is subtracted from the exponent from line to line, beginning with 4 at the top. After several positive values, the exponents 0, -1, -2, -3, -4 .... result from these subtractions.

Repeated operation	Exponential form	Create next line
e * e * e * e	e4	Divide by e
e * e * e	e3	Divide by e
e * e	e2	Divide by e
e	e1	Divide by e
1	e0	Divide by e
1 / e	e-1	Divide by e
1 / e / e	e-2	Divide by e
1 / e / e / e	e-3	Divide by e
1 / e / e / e / e	e-4	.....