Question about Texas Instruments TI-84 Plus Calculator

Hello,

My hunch is that you made an error in the units. Why not show us what you want to calculate (do not forget the units) and we will be happy to help.

Post a comment to this thread.

Hope it helps.

Posted on Oct 01, 2009

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Posted on Jan 02, 2017

Just divide the numerator by the denominator. For example, to convert 1/4 to decimal, press 1 / 4 ENTER and see .25

Sep 15, 2014 | Texas Instruments TI-86 Calculator

Unlike TI calculators, the HP 12c doesn't have or need a CPT button. It knows whether you've made a numeric entry or not. To calculate N, I, PV, FV, or PMT, simply press the appropriate key without entering a number.

Feb 22, 2012 | HP 12c Calculator

I've had this problem as well. The calculator has a program running on it that will not allow 2 (or more) functions to graph at once. To solve this:

1. Hit the "APPS" button.

2. Scroll down the list (close to the bottom) and find the application called "Transfrm". Press enter.

3. Highlight "Uninstall" and press enter.

Your calculator should now be able to graph as many functions as you would like!

Hope this helps!

1. Hit the "APPS" button.

2. Scroll down the list (close to the bottom) and find the application called "Transfrm". Press enter.

3. Highlight "Uninstall" and press enter.

Your calculator should now be able to graph as many functions as you would like!

Hope this helps!

Apr 27, 2011 | Texas Instruments TI-84 Plus Calculator

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Mar 23, 2011 | Casio FX-270W Calculator

Set the calculator's Input/Output Mode to MthIO. In that mode the key that is marked with the icon of a fraction ( a bar, two rectangles, one above the bar, the second below it) will display the template of a fraction. You are supposed to enter the numerator in the upper rectangle, and the denominator in the lower rectangle.

Jan 11, 2011 | Casio FX-115ES Scientific Calculator

6 . 0 2 EE 2 3

The EE key is just above the 7 key.

The EE key is just above the 7 key.

Dec 16, 2010 | Texas Instruments TI-30XA Calculator

Press diamond ENTER to convert the result to numeric form.

To have everything come out numeric, press MODE F2 then down-arrow down to Exact/Approx, then right-arrow and select APPROXIMATE. Press ENTER to set the choice, then ENTER again to save and exit.

To have everything come out numeric, press MODE F2 then down-arrow down to Exact/Approx, then right-arrow and select APPROXIMATE. Press ENTER to set the choice, then ENTER again to save and exit.

Sep 21, 2010 | Texas Instruments TI-89 Calculator

Make sure you use the (-) key in the left column above the RCL key to enter negative exponents, not the - key which subtracts.

Do get all results in decimal instead of fraction notation, press SHIFT [SETUP] 2 to select LineIO mode.

Do get all results in decimal instead of fraction notation, press SHIFT [SETUP] 2 to select LineIO mode.

Sep 12, 2010 | Casio FX-115ES Scientific Calculator

the way i enter my equations is a bit different from what you're doing, i use the fraction button to do division problems, i just feel it makes it easier to read.

anyway, the fraction button is on the far left, 3rd button down (it looks like a white box on top of a line, and below the line is another empty box). press that, and you can type 1.0x10^-14 on the numerator.

it seems that you haven't discovered the EXPONENT button. that button is on the same row as the fraction button, it looks like an x with a white box next to it. press that once you've typed out "1.0x10", and then type -14. the negative button btw is below the fraction button, and looks like this: (-)

press the right arrow twice on the circle thingy at the top of all the keys, and that'll advance you to the denominator. type 2.0x10^-5, using that nifty exponent key. press the equal sign and it'll solve it for you, all in scientific notation (the answer is 5x10^-10). the problem with this calculator is, it won't expand that answer for you with all the decimals and everything, but if its chemistry that shouldn't be a problem.

also, you can certainly use the "x10^x" button on the very bottom of the keypad (its next to the decimal button). by using this key, you won't have to press the exponent button since you can just type in the exponent directly next to the 10.

as for that negative log of 5.6, just input the negative, the log button is right next to the exponent button, and your number and yeah....it's that easy :]

i hope you like this caculator, it has so many functions (have you seen the size of the manual??)

good luck on your chemistry test!

anyway, the fraction button is on the far left, 3rd button down (it looks like a white box on top of a line, and below the line is another empty box). press that, and you can type 1.0x10^-14 on the numerator.

it seems that you haven't discovered the EXPONENT button. that button is on the same row as the fraction button, it looks like an x with a white box next to it. press that once you've typed out "1.0x10", and then type -14. the negative button btw is below the fraction button, and looks like this: (-)

press the right arrow twice on the circle thingy at the top of all the keys, and that'll advance you to the denominator. type 2.0x10^-5, using that nifty exponent key. press the equal sign and it'll solve it for you, all in scientific notation (the answer is 5x10^-10). the problem with this calculator is, it won't expand that answer for you with all the decimals and everything, but if its chemistry that shouldn't be a problem.

also, you can certainly use the "x10^x" button on the very bottom of the keypad (its next to the decimal button). by using this key, you won't have to press the exponent button since you can just type in the exponent directly next to the 10.

as for that negative log of 5.6, just input the negative, the log button is right next to the exponent button, and your number and yeah....it's that easy :]

i hope you like this caculator, it has so many functions (have you seen the size of the manual??)

good luck on your chemistry test!

Jun 06, 2009 | Casio FX-115ES Scientific Calculator

A fraction is just division of the numerator by the denominator. So all you have to do is enter the division symbol in place of the fraction bar. If you are trying to enter a mixed fraction: for example 3 3/5 enter: (3+3/5) were the / is the division button or your calculator.

Sep 03, 2008 | Texas Instruments TI-83 Plus Calculator

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