Question about Texas Instruments TI-84 Plus Calculator

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Posted on Jan 02, 2017

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SOURCE: Can't find the % button on TI-84 plus :(

Just hit the 2ND key and the 0 (catalog key)scroll down to percentage or just divide the answer by 100.

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Posted on Feb 13, 2009

SOURCE: Dark screen on my TI-84 plus. What to do?

Press the 2nd key (yellow one) and then press the UP arrow to increase brightness or down to decrease but seems like you to need to press UP arrow.

Posted on Jul 17, 2009

SOURCE: where is the equal sign on the ti 84 plus

hello sir,
Press "second" "math", and it should be the first thing listed. If you need other commands hit "second" "0" that will enter the catalog and you can press any letter (without hitting alpha) to jump to that letter in the list. Please click on the following link to see the manual of the TI-84 Plus Calculator:
http://education.ti.com/guidebooks/graphing/84p/TI84PlusGuidebook_Part2_EN.pdf

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Posted on Mar 03, 2010

Despite the goodies this calculator has, it does not have a key for the percentages.

To convert a decimal number to %,**move the decimal mark two places to the right and put the % symbol.**

**0.257** =0.257* 100%=**25.7 %**

To convert a percentage into its decimal equivalent,** move the decimal mark two places to the left and remove the % symbol.**

**89.32% =0.8932**

To convert a decimal number to %,

To convert a percentage into its decimal equivalent,

Feb 03, 2014 | Texas Instruments TI-84 Plus Silver...

There is no percent function. To enter 20, simply press "." then "2".

Jun 22, 2012 | Texas Instruments TI-84 Plus Calculator

I encountered this same problem with the TI-84. Turns out you have to put your P (Percentage) as out of one hundred. For example. With my problem I had;

Trails: 13

P: 53/100

X Value: L1 (List 1)

And then it posted my probabilities to the L2 list. For some reason if you just put 53, or whatever your percentage of success in, it won't calculate.

Trails: 13

P: 53/100

X Value: L1 (List 1)

And then it posted my probabilities to the L2 list. For some reason if you just put 53, or whatever your percentage of success in, it won't calculate.

Jun 19, 2012 | Texas Instruments TI-84 Plus Calculator

There is not one, if you want to use percentages you must divide it by 100 so it is in the form of a decimal. EXAMPLE .5=50%

Sep 13, 2011 | Texas Instruments TI-84 Plus Silver...

Divide .332 by .233, multiply by 100, then subtract 100.

Alternatively, since the increase in price was .099, divide .099 by .233 then multiply by 100.

Alternatively, since the increase in price was .099, divide .099 by .233 then multiply by 100.

Aug 10, 2011 | Texas Instruments TI-84 Plus Calculator

No, there isn't. You can always convert a decimal value to a percentage by multiplying by 100.

Likewise, there is no permil key or ppm (parts per million) key.

Likewise, there is no permil key or ppm (parts per million) key.

Aug 05, 2011 | Texas Instruments TI-84 Plus Calculator

On calculators you do not usually get percents. Instead, you get values which can be converted to a percent. For example what percent is 245 out of 987. You divide 245/987=.248. This is essentially the same as saying 24.8 percent. You move the decimal over 2 values. You can also round to get a nice percent number such as 25 percent.

If you are trying to put in a percent lets say you have to find 47% of 80. You just multiply .47 * 80= 38.4

If you are trying to put in a percent lets say you have to find 47% of 80. You just multiply .47 * 80= 38.4

Jun 14, 2011 | Texas Instruments TI-84 Plus Silver...

A percentage increase from a value a to a value b is defined as

Percent increase=(b-a)/a*100 percent.

In your case it is (200-70)/70=1.857. Multiply this number by 100 and append the percent symbol. Thus increase=185.7 percent or about 186 percent.

Percent increase=(b-a)/a*100 percent.

In your case it is (200-70)/70=1.857. Multiply this number by 100 and append the percent symbol. Thus increase=185.7 percent or about 186 percent.

May 05, 2011 | Texas Instruments TI-83 Plus Calculator

You can try to look in the Catalog of commands : Press [2nd][0] to open the (CATALOG) , but you will not find it. The symbol just does not exist. There is compound symbol in the Finance applications (TVM) it is called tvm_I% but you cannot isolate the percent sign from the other symbols.

Against my better judgment that whispered to me not to answer this question I had to tell you the truth, even if it gets you mad at me. Sorry.

Against my better judgment that whispered to me not to answer this question I had to tell you the truth, even if it gets you mad at me. Sorry.

Feb 22, 2011 | Texas Instruments TI-84 Plus Calculator

Sorry to disappoint you, but there is no such button or command on the TI8x family of calculators.

To convert from decimal ratio to percent value, move the decimal mark two places to the right.

To convert from percent to decimal value, move decimal mark two places to the left.

To convert from decimal ratio to percent value, move the decimal mark two places to the right.

To convert from percent to decimal value, move decimal mark two places to the left.

Nov 02, 2010 | Texas Instruments TI-83 Plus Calculator

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