Question about Texas Instruments TI-30XA Calculator
Annually =
P × (1 + r) = (annual compounding)
Semi Annually = P (1 + r/2)^t*2 = (quarterly compounding)
Quarterly
= P (1 + r/4)^t*4 = (quarterly compounding)
Monthly
= P (1 + r/12)^t*12 = (monthly compounding)
Continuous = Pe^(r*t) = (continuous compounding)
Where P = Principle or starting amount = $25000
Where r = interest rate so 5% = 0.05
Where t = number of years = 4
Let me know how this works out for you.
Benjamin
Posted on Feb 04, 2010
You can type it in like this 25000*(1+(r/2))^(4*2))
This is for Semi annually
25000*e^(0.05*4)
That is a small e that you should find on the calculator
you don't get that number on the calculator? or on the solution thing you are entering into?
I get 30535.06895, maybe you need to round to 30535.06
yeah the e^x key is the right one, check () parentheses
type in .05*4 then press the e button then multiply by 25000
try that
On a TI-36 which is basically the same thing
I press .05
then X (times)
then 4
then = (equals)
which equals .02
then e
which equals 1.221402758
then X (times)
then = (equals)
and I get the right answer
Great! Please rate this solution then for me to get credit and have a good day
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Ok just type 25,000 x .05 then add the result to 25,000 then divide it by 48. from then you can figure it out
Posted on Feb 04, 2010
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Posted on Jan 02, 2017
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This is a algebra equation and I need to use()+yx key to get results.
The semi annually and monthly worked great. Can you show me the keys for continuous like you did for semi annually under comments?
I'm not doing something right. The answer is $30,535.07 but when I enter that's not what I get.
I get 39722.17374. My e key is the ex key is that the one I use? I don't know how I am entering wrong.
I just tried again. 25000*e^(0.05*4) I get 39722.17374. my^ key is yx.
Still not giving me the right answer. I feel like I am missing a step from the example.
I got it, I had to add the 2nd key. .05*4=.02 2nd e 1.221402758 * 25000 = 30,535.07.
I will and thank you so much.
Very helpful! I got exactly what I needed.
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