Question about Texas Instruments TI-30XA Calculator

# The e to the x button

I'm trying to put this equation in my TI-30Xa: e to the x power subtract 4 (and put -1 in for x).

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If you mean (e to the power x) minus 4, where x = -1, the key sequence would be:

1
+/- (above 3 key)
2nd
LN
-
4
=

Result is -3.63212.....

If you mean e to the power (x-4) where x = -1 again, it's:

10.0067379....
+/- (above 3 key)
-
4
=
2nd
LN

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