Question about Texas Instruments TI-15 Explorer Calculator

Hello,

You reset it by pressing simultaneously and holding the two yellow keys on both side of the navigation keys.

Hope it helps.

Posted on Sep 07, 2009

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Posted on Jan 02, 2017

Hi Steven:

You should be able to key in the number, then press (memory plus).

After that, press (clear) once. That should leave the number in memory but leave the display at zeroes.

- 1) Then you would enter your number, Press (divide) symbol, then press (memory recall), then press (equals).

The answer should display. Press (clear) once. resets to zero

- Repeat (1) as above for next numbers.

Hope this helps.

Cheers.

You should be able to key in the number, then press (memory plus).

After that, press (clear) once. That should leave the number in memory but leave the display at zeroes.

- 1) Then you would enter your number, Press (divide) symbol, then press (memory recall), then press (equals).

The answer should display. Press (clear) once. resets to zero

- Repeat (1) as above for next numbers.

Hope this helps.

Cheers.

Jan 25, 2016 | Canon Mp25dv Desktop Calculator 8077a006ab

You and 11 others = 12. So the answer is twelve eightieths.

12 divided by 80 x 100 will give you the answer.

You can check the answer as 10% of 80 would be 8 students. For 10 percent you just move the decimal place one number to the left 80.0 = 8.00.

12 divided by 80 x 100 will give you the answer.

You can check the answer as 10% of 80 would be 8 students. For 10 percent you just move the decimal place one number to the left 80.0 = 8.00.

Jan 17, 2016 | Office Equipment & Supplies

Hi Charles:

"percent" means "per hundred" (times 100).

180 girls

400 students

girls of total..........

180 divided by 400

percent (times 100)

On your calculator...........

clear

180

divided by

400 display 0.45

X

100

= answer displayed 45

So, 45% are girls

To check your answer, you can

clear

400

X

45%

Display will show 180

Ta Da!

"percent" means "per hundred" (times 100).

180 girls

400 students

girls of total..........

180 divided by 400

percent (times 100)

On your calculator...........

clear

180

divided by

400 display 0.45

X

100

= answer displayed 45

So, 45% are girls

To check your answer, you can

clear

400

X

45%

Display will show 180

Ta Da!

Nov 14, 2015 | Office Equipment & Supplies

Let x be the number of future weeks.

8 + 4x >= 30

Solve for x by subtracting 8 from each side and dividing by coefficient in front of variable. Plug answer into original equation to check that it works correctly.

Good luck,

Paul

8 + 4x >= 30

Solve for x by subtracting 8 from each side and dividing by coefficient in front of variable. Plug answer into original equation to check that it works correctly.

Good luck,

Paul

Jan 28, 2014 | Casio FX-115ES Scientific Calculator

To enter your equation press 12 then a/b (the fraction key). 12 will now be at the top of your fraction and there will be an arrow blinking in the bottom block. then press 2. If the part in brackets is also meant to divide into 12 then simply press open bracket ( 6 - 7 + 4 close bracket ) right arrow to get out of the fraction and then x 2. If the part in brackets is not meant to be divided into 12 then press the right arrow key before typing in the open bracket ( 6 - 7 + 4 etc.

If you would like more help, there is a dedicated website http://www.mathsatsharp.co.za/ where you can leave your questions in the students section and they will be answered within a week.

If you would like more help, there is a dedicated website http://www.mathsatsharp.co.za/ where you can leave your questions in the students section and they will be answered within a week.

Apr 04, 2013 | Sharp ELW535 Calculator

Unless your calculator is wrong the answer is 8. but I think you wanted to ask that the calculator gave wrong results. If so remove and clean the pads, warm off the pads, clean battery contacts and reset.

Mar 29, 2011 | Casio FX-300MS Calculator

Enclose any negative number between parentheses before squaring.

If you enter -4^2, where - is the negation, the result will be -16 because of the priority rules: exponentiation (power) has priority over negation.

If you enter (-4)^2 the result will be 16, because parentheses have priority over the squaring: the 4 is negated then the result is squared.

If you enter -4^2, where - is the negation, the result will be -16 because of the priority rules: exponentiation (power) has priority over negation.

If you enter (-4)^2 the result will be 16, because parentheses have priority over the squaring: the 4 is negated then the result is squared.

Dec 30, 2009 | Casio FX-300MS Calculator

Dear Professor,

I bet you do not like it when one of your students keeps harping on the same string. So please, do not duplicate your questions. Some people may construe that as an attempt to spam.

Here is the answer I gave to your duplicate question.

Hello,

Press [2nd][MEM][2: Mem Mgmt/Del][1:All] and scroll down to see if a system variable or other entity that is needed for graphing may have been archived. A variable that is archived has an asterisk next to it on the left.

To unarchive it press ENTER when the arrow reaches it.

You may be able to draw your graphs. It you are unable, I suggest you reset the Ram: Press [2nd][MEM][7:Reset][1:All Ram][2:Reset] [ENTER]. Press [CLEAR] to erase the message and restart the statistics.

Hope it helps.

I bet you do not like it when one of your students keeps harping on the same string. So please, do not duplicate your questions. Some people may construe that as an attempt to spam.

Here is the answer I gave to your duplicate question.

Hello,

Press [2nd][MEM][2: Mem Mgmt/Del][1:All] and scroll down to see if a system variable or other entity that is needed for graphing may have been archived. A variable that is archived has an asterisk next to it on the left.

To unarchive it press ENTER when the arrow reaches it.

You may be able to draw your graphs. It you are unable, I suggest you reset the Ram: Press [2nd][MEM][7:Reset][1:All Ram][2:Reset] [ENTER]. Press [CLEAR] to erase the message and restart the statistics.

Hope it helps.

Nov 01, 2009 | Texas Instruments TI-84 Plus Calculator

(2x3^2) divided by (2x3^(-2))

just make sure to use double parenthesis around the negative exponent so that you get the right answer

just make sure to use double parenthesis around the negative exponent so that you get the right answer

Feb 08, 2009 | Texas Instruments TI-30XA Calculator

probly because the calc was miscalibrated or someone screwed around with the variables...

hope this helps

hope this helps

May 09, 2008 | Texas Instruments TI-84 Plus Silver...

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