To enter powers of 10 exponents you have a key marked EE, or EEE, or [*10^x). When used, no 10 should appear on the command line
6.02*10^23 will be typed as 6.02EE23.
To enter powers of any base, you have the general power key. It may be marked [^], [ X^y] or [Y^x].
SOURCE: I can't remember how to put in a negative exponent
You must put parentheses around the negative and the exponent for the correct answer.
SOURCE: I have a TI-30XS Calculator
One solution that you might try is to put the scientific numbers in parentheses. For instance open parenthesis, type in the first scientific notation then close parenthesis, next hit the divide key and then open parenthesis and type in the 2nd number in scientific that you are dividing by and then close parenthesis. Hit enter or =. I'm not sure if this will fix your problem, but it is worth a try.
SOURCE: Inputing scientific notation into my calculator
Hello,
1. To convert a number to scientific equation, use [2nd][Sci]
Exemples 12345 [=] screen shows 12345 Then [2nd][Sci] coverts it to 1.2345 ^04 to the power 4.
2. To enter directly a number in scientific notation (e.g. -1.2345 X10^(-65) a very small number) you use the [EE] key 1.2345[+ /-][EE][+/-]65 shows as -1.2345 -65
1.6X10^(-19) 1.6[EE][+/-]19 shows as 1.6 -19
Hope it helps
SOURCE: FX-55 Calculator: how do I clear my casio scientific calculator from...
press the "MODE" button 3 times and then press 3 ..., now this is normal mode
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