Question about Texas Instruments TI-83 Plus Calculator
When I try to solve, for example, 0.01^2 I receive 1e-4 instead of 0.0001. How to fix this? In the MODE I chose "normal" and "float", but it still not giving me 0.0001
The calculator has limitations. No matter what number of decimal places you specify in the floating mode format, If the absolute value of the number is less than 0.001 the number is displayed in scientific format :
[digit][.][digt][digit] ...up to [digit9] [E][-][2 digit exponent].
Here are somme screen capture that show you that.
As you can see the two screens overlap. Floating mode is set to 4 decimal places. As long as the absolute value is less than 0.001, the number is displayed in scientific format. However when that absolute value exceeds 0.001 the display reverts to the floating mode format you want.
When you manipulate very small or very large numbers, the floating point format cannot be used because of the limitations of the screen.
In this last screen capture Floating mode is set at 9 decimal places. I entered the electron charge. The line is pretty full.
Hope it clarifies things for you
Posted on Sep 16, 2009
This is not a problem. It is standard for all TI-83 calculators. You just have to remember to move the decimal place LEFT (for negative "e"s) the number of the negative that you get.
1e-4 = 0.0001
1e4 = 10000
You can't fix it. That's just the way they operate. You can adjust the MODE settings all you want, (don't try the "eng" mode because that's REALLY confusing) it won't change the number. Sorry if this confuses you.
Posted on Sep 10, 2009
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Posted on Jan 02, 2017
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