Question about Texas Instruments TI-30XA Calculator

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The number e

Is there a way to find the sum of something with the number "e" without having to enter the value of "e" which is approximately 2.718281828459?

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E to the first power is 2.71...
Press the following buttons in sequence: 1, 2nd, LN, + and then your numbers.

Posted on Sep 06, 2008

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Posted on Jan 02, 2017

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I have a schumacher xp2260 and am getting an error code of r02 but cannot find any information about it. Please tell me what it means and how to fix it.


I have no information on this fault. I suggest you contact the manufacturer directly with the question, but really doubt it will be something you can fix yourself.

Jan 09, 2017 | Office Equipment & Supplies

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Im looking for the total combination for this nuber 13 20 31 36 41 45 permutations i think its called


Do you want combinations or permutations? They're different things. A combination of n items taken m at a time, sometimes written "nCm", selects m items from a group of n without regard to order. A permutation of n items taken m at a time, sometimes written "nPm", selects m items from a group of m with regard to order.

Given six numbers, there are six combinations of one number, 15 combinations of two numbers, 20 combinations of three numbers, 15 combinations of four numbers, six combinations of five numbers, and one combination of six numbers.

Given six numbers, there are six permutations of one number, 30 permutations of two numbers, 120 permutations of three numbers, 360 permutations of four numbers, 720 permutations of five numbers, and 720 permutations of six numbers.

Oct 22, 2014 | Office Equipment & Supplies

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We have forgotten the Administration password for our EStudio 350 & 450. Is there any way of resetting? Thanks Ben


The default password is either 12345 or 123456.
If neither of those work then, turn machine off then power on while pressing the 0 & 8 keys then enter 263, then press Start. It will then display the Admin Password.

Mar 17, 2014 | Toshiba Estudio 200L Copier

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What are rational numbers


Use the words: decimal part, not decimal fractin
Any number whose decimal part is periodic (has a recurring pattern that repeats indefinitely) is equivalent to a rational number, IS a rational number
0.345 345 345 ... =345/999=115/333
In the following screen captures, discard the last digit if it does not belong to a period. It is the effect of rounding up of the calculator


3deb58af-3d70-4f55-adc1-35b7c9392031.jpg
Period is 345

7b3e81fc-c59c-455d-a5f2-e4b169925684.jpg
Period is 1
847342a7-5d3b-4604-b706-2ec9853c2dc7.jpg
Period is 09
8f929e6d-512c-41e2-a253-ffa88c0ab74e.jpg
Period is 79
0417fef1-6661-4f31-868f-8202884893ae.jpg

In general, if you have a decimal part of the form 0.d_1 d_2 d_3....d_n d_1 d_2 d_3 ...d_n ... where d_1 is the first digit of the period, d_2 is the 2nd digit of the period, ..., d_n is the n-th digit (and the last one) of the period, then the fraction representation of
0.d_1d_2...d_n d_1d_2... d_n ...=(d_1d_2...d_n)/(99...9) where the number of 9's in the denominator is equal to the number of digits in the period.
Once the fraction is found, one should reduce it to its simplest form.

Mar 02, 2014 | Office Equipment & Supplies

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The circumference of a circle is 47.1 feet. What is the diameter of the circle?


The circumference of a circle is C=2 * pi * r or C= pi * d.

What do we know? C=47.1 and pi.

What are we trying to calculate? d

Put what we know in the equation and solve for d.

47.1 = pi * d

To isolate d, we have to divide both sides by pi.

47.1
------ = d
pi

I get 14.99' or approximately 15' as the diameter.

Good luck,
Paul

Apr 17, 2013 | Office Equipment & Supplies

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Why does canon MP258 printer with scanner can't scan japanese yen paper bill amount 10,000. I tried it over 10 times but it stops,. And when i tried US paper bill, it works well. I need some explanation...


When you scan with any scanner it utilised the software with "Optical Character Recognition functions, usually abbreviated to OCR -> OCR is a field of research in pattern recognition, artificial intelligence and computer vision." to scan and record the scanned object, sometimes it does not or cannot recognise certain symbols or characters because of man made software & hardware have its limitations too.

Hope it helps.

Nov 12, 2010 | Office Equipment & Supplies

2 Answers

We have forgotten the Administration password for our EStudio 350 & 450. Is there any way of resetting? Thanks Ben


restart machine ,then press the 0 & 8 keys,enter 263, then press Start. You should see admin password on the screen.

May 05, 2009 | Toshiba Estudio 200L Copier

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