Question about Texas Instruments BA-II Plus Calculator
Posted by Anonymous on
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Posted on Jan 02, 2017
Your BA II PLUS stores numeric values internally to an accuracy of 13 digits. However, the numbers it displays depends on the number of decimal places to which you have it set (choice of 0–9 or floating decimal). To set the number of decimal places displayed to three: hit [2ND][FORMAT][ENTER]This setting also continues indefinitely (even though the calculator is turned off and on) until it is changed.
Posted on Jun 11, 2009
By default the BAII Plus displays only two decimal places. This is not enough. Personally, I like to see five decimal places, but you may prefer some other number. To change the display, press the 2nd key, then the decimal point key, and, when prompted, enter the number of digits you would like to see displayed. You must then press the Enter key to lock in your choice. I would press 2nd, ., 5, Enter to display 5 decimal places. Now press 2nd, CPT to return to a blank screen. Problem solved.
One other adjustment is important. The BAII Plus comes from the factory set to assume monthly compounding. That's fine, I suppose, but its better to set it to assume annual compounding and then make manual adjustments when you enter numbers. Why? Well, the compounding assumption is hidden from view and in my experience people tend to forget to set it to the correct assumption. Of course, most people don't recognize a wrong answer when they get one, so they blithely forge ahead. To fix this problem press 2nd then I/Y and enter 1 when prompted. Now press Enter and then 2nd, CPT to return to a blank screen. Problem solved.
Posted on May 31, 2010
You can calculate any root by raising to the reciprocal. For example, to calculate the cube root of 125, press 1 2 5 y^x 3 1/x =
To calculate the fourth root of 16, press 1 6 y^x 4 1/x =
The y^x key is just above the 9 key. The 1/x key is just above that.
Posted on Feb 24, 2011
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