Question about Sharp EL-531VB Calculator
For the manual see link
The downloaded manual pages 3 and 4 states, click the "setup 03" key and it will change to normal mode.
10000/8.1=1234.5678901 (normal mode)
setup 00 setup13 1234.568 (fix mode tab=3)
setup 01 sci mode
setup 02 eng mode
setup 03 normal mode
or just click the reset switch behind the ( Sharp el531w ) calculator, data will be deleted.
Posted on Jul 12, 2013
Hi eamon at hom,
Doing fraction on the Sharp El 531W really isn't that bad. I had to use pictures because, the symbols will not transfer over to your posting for me to show you. When you select the [ON/C] this clears the calculator of previous calculations and, data so that they won't interfere with your new calculations.
Let take the first example where a mix number is being added to a improper fraction. Because I used the [a^b/c] key this makes the calculator display the answer in a mixed fraction format or, a proper fraction format. If I press the [a^b/c] key again after the answer the format will change to a decimal format. The fractional formats are displayed in a mixed number, improper or, proper fraction formats. A improper fraction is really a proper fraction number with the top number (numerator) is greater than or equal to the bottom number (denominator).
[ON/C]  [a^b/c]  [ [a^b/c]  [+]  [a^b/c]  [=] mixed number results. Now let's do the same calculation as a improper or, proper fraction format.
[ON/C]  [a^b/c]  [+]  [a^b/c]  [=] still a mixed number result. Even though I enter the fractions in a improper and, proper fraction formats the calculator will still display in a mixed number format. This is because the calculator first displays as a mixed number if it can. If it can't then it will display the value as a proper fraction and, never as a improper fraction. To convert from a mixed number to a improper fraction format if the calculator did not convert it to a proper fraction, I have to use [2ndF] [d/c] keys on the command line.
This show a little more complex raised power use of the [a^b/c] key.
This shows the [2ndf] [x^-1] keys being used to calculate fractions.
When I first saw this question being asked it, was answered with just use the / command. Which that isn't really a good answer because, in math we like to use elimination. If you use the / command eventually the numbers are going to be rounded off and, your not going to be able to eliminate anything. If you have any further question on how to preform fractions with this calculator be sure to post your comment and, I'll be glad to help.
Posted on Jan 13, 2011
1. To restore the default setting you have to reset the calculator:
- With the calculator switched ON press the [2nd][+] [ENTER] Move the cursor down to Reset or press the  key.
-Choose to reset [RAM] ( 1: all ram; 2: defaults) or [ALL] (1: all memory. Whatever choice you make needs to be confirmed in a subsequent screen.
To reinstall the applications you need a TI silver cable, and the TI Connect software. Install the software before connecting the calculator to the computer.
Then you go to the education.ti.com web site Unfold the DOWNLOADS menu, choose Apps,Software,Updates submenu. Click TI83Plus/TI84PLUS family link and download what ever you want on your computer.
When you are done, connect your calculator to the computer, execute the TIConnect software . You can then drag and drop on the TIconnect window the app you want to restore.
Hope it helps.
Posted on Aug 18, 2009
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