Question about Texas Instruments BA-II Plus Calculator
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Posted on Jan 02, 2017
SOURCE: nPr and nCr key
On calculators you calculate permutations and combinations as follows
Enter the number n then press key nPr, and the number r
For combinations, use nCr key instead of nPr.
Hope it helps
Posted on Sep 06, 2009
The calculator has 10 memories (0 to 9)
To store a number (13) in memory 6 type 13 [STO] 6
To erase the content of memory 6 (M6) store 0 in int: 0 [STO] 6
To recall the content of memory location M7 press [RCL]7
To operate on the content of memory location M5 the syntax is [STO] [Op] 5, where [Op] is the operation symbol [+], [-],[x], [/] [y^x]
Ex: to raise the content of memory location 4 to the power of the displayed value, you press [STO][Y^x] 4
To clear all 10 memory locations
press [2nd][MEM][2nd][CLR WORK]
In short, although you do not have the keys you are accustomed to, you have a lot more. And please do not blame me if you feel disappointed.
Posted on Apr 19, 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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