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