Question about Texas Instruments TI-30XA Calculator
I know I must be punching the problem wrong somehow....I an always off by 1 exponent when doing the problem 1500 divided by 10^9. I get 1.5*10^-7. That is wrong. The answer is 1.5*10^-6. What am I doing wrong? Thanks for any help
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Posted on Jan 02, 2017
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.
Posted on Aug 29, 2009
your calculator will never allow you to enter a negative exponent. so heres what you do.Any negative exponent of a number can be reversed and turned into a fraction for example 4^-1=1/4 or 8^-2=2/8=0.25. Hope this helps.
Posted on Sep 21, 2009
Do not panic!. Press [MODE]. On first line of MODE set up screen use arrow keys to highlight NORMAL and press [ENTER].
Use down arrow key to go to the line starting with FLOAT, and highlight the number of digits you want your results to display (from 0 to 9). Keep in mind that with 0, all your results will be rounded to the nearest integer. With 9, you have a large stream of digits (not necessarily a more accurate result).
However, if your results are too small or too large, the scientific display format ( with E )will be used regardless of the MODE setup.
Posted on Mar 13, 2010
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