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TI-89 making negative e |
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| Jan29-11, 03:05 AM | #1 |
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TI-89 making negative e
can anyone help me to get this quotation "e^(-x)" on ti-89 ?
after i putting "-" before "x" and pressing enter , the error syntax happens ... 
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| Jan29-11, 04:04 AM | #2 |
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Admin
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Have you tried to read manual? It says to not use "-" but (-) (button between dot and enter).
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| Jan29-11, 04:26 AM | #3 |
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ah tanx alot i was searching for it all day long !!!
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| Jan29-11, 05:40 AM | #4 |
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TI-89 making negative e
Did you not notice there are two minus signs?
 Just kidding. It's okay, we've all done it.
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| Jan29-11, 08:45 AM | #5 |
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| Jan31-11, 01:49 PM | #6 |
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Mentor
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I don't have a TI-89, but my guess is that one of the - keys is for subtraction, and the other is to change the sign of the operand.
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| Jan31-11, 08:43 PM | #7 |
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