20 Most Recent Texas Instruments TI-30 XIIS Calculator Questions & Answers


Here:
http://education.ti.com/downloads/guidebooks/scientific/30xii/30xiiqrg-eng.pdf
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Texas... | Answered on Sep 16, 2019


I believe factors can be calculated on any basic calculator.

Starting with 1, increasing by 1 until you get to square root (number) + 1

Let's do an example.

28
square root (28)+1 = 6
Factors
1, 28/1=28
2, 28/2=14 14*2 - 28 = 0 (when you divide, you get no decimal)
3, 28/3=9.33333 - not a factor - doesn't go in evenly
4, 28/4 =7
5, 28/5=5.6 - not a factor - doesn't go in evenly
6, 28/6=4.66666 - not a factor
So now we can list our factors - 1, 28, 2, 14, 4, 7
Putting them in order, we get 1, 2, 4, 7, 14 and 28.

Good luck,

Paul

Texas... | Answered on Jul 16, 2016


pKa=-logKa
-pKa=logKa
10^(-pKa)=10^(log(Ka))=Ka
Ka=10^(-3.89)
I don't know where you got the value you give but here is what my calculator finds.
26053503-rnttuio2p0bsefentgijifgp-3-0.jpg

Texas... | Answered on Feb 11, 2016


The inverse of a trigonometric function shares the same physical key as the function itself. Press 2nd then the function key.

Texas... | Answered on Jan 30, 2016


Using any calculator, multiply it by 100. I think of "per cent" is "per 100" so you need to move to decimal two places to the right or multiply by 100. In this case, either way, we get 10%.

Any questions, let me know.

Good luck.

Paul

Texas... | Answered on Sep 20, 2015


This calculator has no e button, per se. To get the value of e, use the push "1", then "2nd" button, then the "LN" button (which is e raised to the power of x). With an x of 1, e to the first power is e.

Texas... | Answered on Jan 08, 2015


The dimensions of the yard are 13.5m x 10.5m.

Texas... | Answered on Nov 03, 2014


They washed 42 cars and 28 vans.

Texas... | Answered on Oct 01, 2014


Press the cubic root key 3Root and enter the fraction enclosed in parentheses. 3Root((a/b))

Texas... | Answered on Sep 02, 2014


There isn't one. You have to use the old eyeball. If the number on the screen is positive, leave it alone. If it's negative, change the sign.

Texas... | Answered on Aug 30, 2014


Exponents of 10 are entered by pressing [2nd][X^-1] (EE).
For powers of any base, enter the base, press the [^] (below PI) then enter exponent. Use the (-) white key if exponent is negative.

Texas... | Answered on Aug 28, 2014


You cannot manipulate radicals with this calculator. All radical results will be displayed as (approximate) decimal numbers.

Texas... | Answered on Aug 28, 2014


Convert the speed from km / h to m/s.
Change in speed = (Final speed (in m/s) - initial speed (0))/ 3.7 s
The result is the average acceleration in m / s^2.
100 km /h = (100 000 m)/ (3600 s)= 27.7778 m/s

Texas... | Answered on Aug 28, 2014


Yes. Press the PRB key then select "RAND."

Texas... | Answered on Jul 23, 2014


Use the LOG button on the second row of the keyboard.

Texas... | Answered on Jun 06, 2014


Use the ^ key above and left of the 7 key. For example, to raise 2 to the 3rd power, press 2 ^ 3 =

Texas... | Answered on Jun 02, 2014


If you look at the keyboard you'll find the square root as the second function of the x^2 button, just to the left of the 7 button.

Texas... | Answered on Jun 02, 2014

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