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Posted on Feb 17, 2011
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1/1024--->9.765625e-4 How do I get rid

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kakima

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  • Texas Instru... Master 102,366 Answers
  • Posted on Feb 17, 2011
kakima
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If the absolute value is less than 0.001 then the TI-84 automatically switches to scientific notation. This is just the way the calculator works.

Sorry if that wasn't the answer you wanted to see, but there it is.

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0helpful
1answer

How do I enter exponential growth or decay functions and their shifts?

The formula for exponential growth and exponential decay is

A =I (1 + r)^n, where A is the amount, I is the initial amount, r is the rate of exponential growth or decay and n is the number of periods.

For example, if we start with 100 units and the growth is 5% per period, we get the equation A = 100 (1+0.5) ^n. When n is 0, anything to the exponent 0 is 1, so we start with 100 units. When n is 1, we get 105 units.

Similarly, if a car costing $50,000 depreciates in value 30% per year, we have A= 50000 (1-0.3)^n, Again, when n = 0, anything to the power of 0 is 1, so we start at $50,000. When n=1, A = 35,000. When n = 2, A = $24,500.

Good luck,

Paul
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1answer

I accidentally entered a function on a calculatot

No you do not have an exponential p. The p at the bottom right of the screen says that the numeration mode is the one in base 5 (pental mode). Change it to decimal (Dec). Find the key that has the marking (->Dec) above in on the faceplate of the calculator. It s probably the + key. Press [2nd F][+] (>Dec). The letter p will disappear.
0helpful
1answer

I cant figure out the exponential form for 16

I am not sure what you mean. Even politicians use the term exponential so it has become blurry.
16=2^4 The power function is related to the exponential.
16=1.6*10^1 Scientific notation. Scientific notation is an exponential display format.
Take your pick.
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1answer

For my homework i have to figure out what the exponential form is for 16

I am not sure what you mean. Even politicians use the term exponential so it has become blurry.
16=2^4 The power function is related to the exponential.
16=1.6*10^1 Scientific notation. Scientific notation is an exponential display format.
Take your pick.
0helpful
1answer

Exponential form for 16

I am not sure what you mean. Even politicians use the term exponential so it has become blurry.
16=2^4 The power function is related to the exponential.
16=1.6*10^1 Scientific notation. Scientific notation is an exponential display format.
Take your pick.
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2answers
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NAD C320 system sounds like a cheap, tinny tranny

Let's distill this down to its simplist configuration. FM source, stereo.

BTW, a search for NAD 440 only brings up a C440 >>>Tuner<<, no receivers. Are you sure about that model number? The only receiver model numbers with x40 on the NAD website are the C340 and C740, neither of which has a link to a manual (go figure). I have the C740 manual, so I'll use it for a loose reference.

If it still does what you're describing in a basic configuration and the volume control seems to affect it like you belatedly mentioned, I'd suspect a noisy volume control or some other control in the receiver (like a rarely used Tape Monitor switch) that is always there in the circuit but may have oxidized contacts and responds sometimes to burn-through.

Set the volume at a medium setting and repeatedly operate every switch, knob and button (one at a time) to gauge its effects on the sound. You may find one is the culprit. Then it's a matter of accessing it for a shot of contact cleaner.

If you have jumpers between Pre Out and Main In, it might be a good idea to reseat them, too.
1helpful
1answer

Is it possible to get euler's number on this calculator? I am a college algebra student starting exponential functions and need euler's number to computer continuous compound interest. Thank you.

Hello,
There is no key dedicated to e, the base of natural logarithm, the same as there is for pi. However you can find it as the VALUE of the exponential function e^(x) for x=1. To obtain the VALUE of e you press [SHIFT] [ln] to access e^x, enter 1 and press [EXE].

Thus
[SHIFT][LN]1 [EXE] gives 2.718281828.

If you need that numerical VALUE often you may want to store it into a variable, say E. To do that
[SHIFT][LN]1 [-->] [APLHA] E [EXE]

From experience, I know that it is not the VALUE of e that you need but the symbol e to define the exponential function. If you press [SHIFT][LN] you get a syntax error. You can never see e in a multiplication, addition, or other arithmetic operation.

In this calculator, the e is first and foremost the symbol for the exponential function. If you need to draw the exponential function of X
you press [SHIFT][LN] X. Parentheses are not needed for simple arguments as this one, but if the exponent is a complicated expression parentheses are needed.
If you mean exponential of X you type [SHIFT][LN] [X,theta,T], but if you want exponential of (x-3z+ 0.5 y^2), you must enclose the argument (the object of the function) between parentheses
[SHIFT][LN] [ ( ] x-3*z+ 0.5*y [^]2 [ ) ] [EXE].

Hope it helps.

0helpful
1answer

How do I enter an inverse log function into my claculator? for instance log-1(-.4/10)

Hello,
If you want to do correct mathematics you should strive to use the right words to express the concepts, and the right symbols too. While the logarithm function has an inverse function, it is never called an inverse log and it is never represented as log^-1. (I know you are going to protest and claim that the inverse of a sine function is represented on calculators by sin^-1. This a manufacturer shortcut, and we have no power to change that.) HP uses ASIN, ACOS, ATAN. These are still manufacturer shortcuts but they induce fewer errors.
Anyway, the logarithm functions do have inverse functions.

1. Natural loogarithm (ln)

The inverse of the natural log is the exponential.
ln(e^(x))=e^(ln(x)) =x

2. Common logarithm (logarithm in base 10)
The common logarithm has an inverse function, often called the antilogarithm or antilog.

There is an equivalence.
y=log(x) <--> x=10^(y)


From what I undesrtand of your exemple, you are looking for the antilog of the number -0.4/10 (or -0.04.)

-0.04= log(x), what is x?
You use the equivalence above to look for x as follows.
x=10^(-0.04) =0.9120108394.
Use the change sign (-) not the regular MINUS sign.

Take the log of the last result (still stored in Ans memory) and you get the original number.

660087f.jpg
Hope it helps.


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