Question about Canon MP-25DV Calculator

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Track number of entries

How do you set the calculator to keep track of the number of entries and give a total?

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On the top right there is a slide button ...move the button to "item". this counts the quantity of items you enter. hit the * to get the total and the count.

Posted on Jan 28, 2009

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How do i factor numbers on a ti-30xs calculator


This calculator does not have a key that you can use to find the prime factor of an integer.
You can however use the calculator to find the factors
1. If number is even divide it by 2
Keep dividing by 2, while keeping track of how many times you divided by 2.
If you divided 5 times by 2 before getting an odd number, then your first factor is 2^5
2. Now try dividing by 3, keep track of the number of times you divided by 3 before you could not divide by 3 any more. If you divided 0 times by 3, your second factor is 3^0, or 1 and 3 is not a factor.
If you divided 4 times by 3, your second factor is 3^4
3. Divide by 5, until you can't any more. Keep track of the number of times you divided by 5.
4. Divide by all other prime numbers 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, etc. For each prime number, keep track of how many times you divided by it, until you could not any more.

Example: 23100
Division by 2
23100/2=11550 ---------> 1 division by 2
11550/2=5775 ----------> 2 divisions by 2
Note that 5775 is not divisible by 2. No more divisions by 2.
First factor is 2^2


Division by 3:
5775/3=1925 ----------> 1 division by 3
1925/3=641. 66667 Not an integer. No more divisions by 3.
2nd factor is 3^1

Division by 5 (number ends in 5)
1925/5 =385 -------> 1 division by 5
385/5=77 ----------> 2 divisions by 5 and no more (quotient does not end in 0 or 5)
3rd factor is 5^2

Division by 7
77/7=11 --------> 1 division by 7, and no more
4th factor is 7^1=7

Division by 11
11/11=1
5th factor is 11^1=11

Assembling the factors 2^2, 3^1, 5^2, 7, 11
Prime factorization of 23100 is
23100=(2^2)(3)(5^2)(7)11

Dec 18, 2013 | Texas Instruments TI-30XA Calculator

1 Answer

What do the following keys signify? Or do? GT MU MRC AC, CE ON/C 00 +/-


Hi, here are some of the answers to your questions.

GT:- Grand Total: It shows the cumulative total of your calculations

MU:- Mark Up: It is used to calculate the CROSS PROFIT MARGIN in business environment.

MRC:- If pressed once, it shows the number stored in the memory. If pressed twice it clears the memory.

AC:- All Clear: It clears everything

CE:- Clear Entry: Clears the last entry of calculations.

ON/C: If the calculator is off, it turns it on. If the calculator is on it clears all entries.

If you have any more questions you can visit this site: http://www.aurora-ltd.co.uk/OpInst/FunctionsGuide.htm it has almost everything covering the calculator buttons.
Lujaina96

Feb 12, 2011 | Calculators

1 Answer

Where is the compute button on this calculator when solving tvm problems


It doesn't have one. The calculator keeps track of whether you've hit a digit-entry key since you last pressed a function key. If you haven't, then the calculator computes the value and displays it. If you have hit a number-entry key, it stores the value. Thus, when the book says something like "press CPT then press PMT", you just need to press PMT.

Feb 11, 2011 | HP 10b Calculator

1 Answer

What keys are associated with Time Set AM/PM


GRAND TOTAL / RATE SETTING MODE SELECTOR:
"GT": Grand Total
"•": Neutral
"RATE SET": To set the date, time, and tax rate, set this switch at the "RATE SET" position.
Date:
• Enter in the order of month, day and year, then press to complete the entry.
• Use to separate month, day, and year.
• When is pressed, the number entered is evaluated and displayed as "date" if the
value is within the following range; "Error" is displayed otherwise, and the previously set
date is restored.
Month: 1 - 12; day: 1 - 31; Year: 2000 - 2099 (in 4 digits) or 00 - 99 (in 2 digits)
Time:
• Enter in the order of hour, minutes, then press to complete the entry.
(There is no entry available for the seconds value. The clock starts at zero second.)
• If the hour/minute digit is less than 10, it is not necessary to enter the first digit "0".
• Use to separate hour and minute values.
• When is pressed, the number entered is evaluated and displayed as "time" if the
value is within the following range; "Error" is displayed otherwise, and the previously set
time is restored.
Hour: 0 - 23 (24-hour system for the hour entry), Minute: 0 - 59

Dec 16, 2010 | Sharp EL-1801P Calculator

1 Answer

To change the Date and Time on my Sharp EL-1801PIII Calculator your instructions refer to a faceplate, which I do not have. What keys are associated with "Time Set," "AM/PM,"...


GRAND TOTAL / RATE SETTING MODE SELECTOR:
"GT": Grand Total
"•": Neutral
"RATE SET": To set the date, time, and tax rate, set this switch at the "RATE SET" position.
Date:
• Enter in the order of month, day and year, then press to complete the entry.
• Use to separate month, day, and year.
• When is pressed, the number entered is evaluated and displayed as "date" if the
value is within the following range; "Error" is displayed otherwise, and the previously set
date is restored.
Month: 1 - 12; day: 1 - 31; Year: 2000 - 2099 (in 4 digits) or 00 - 99 (in 2 digits)
Time:
• Enter in the order of hour, minutes, then press to complete the entry.
(There is no entry available for the seconds value. The clock starts at zero second.)
• If the hour/minute digit is less than 10, it is not necessary to enter the first digit "0".
• Use to separate hour and minute values.
• When is pressed, the number entered is evaluated and displayed as "time" if the
value is within the following range; "Error" is displayed otherwise, and the previously set
time is restored.
Hour: 0 - 23 (24-hour system for the hour entry), Minute: 0 - 59

Dec 16, 2010 | Sharp Calculators

1 Answer

I just want to know where is the compute key on my hp calculator?


It doesn't have one. The calculator keeps track of whether you've hit a digit-entry key since you last pressed a function key. If you haven't, then the calculator computes the value and displays it. If you have hit a number-entry key, it stores the value. Thus, when the book says something like "press CPT then press PMT", you just need to press PMT.

Oct 19, 2010 | HP 10bII Calculator

1 Answer

When adding a column of numbers it will keep a runniing total, but as soon as I hit the total button it rounds up to the next figure and will not give me a true total. What do I do...


On the K.A, at the top, have it set to "A". Where it is F 6 3 2 1 0, set it to "2". Then turn it off and back on, that solved it for me....

Jul 14, 2010 | Sharp EL-2196BL Calculator

1 Answer

I am unable to subtract


The way to do math on this calculator is a bit different than on others. To start off, when doing subtraction, you must press the + key. This tells the calculator that you are working with a positive number.

Say you have $588.43 in you check book but you spent $136.92. The buttons you press on the calculator will be as follows:

588.43 + 136.92 -

The positive total of 451.51 will be on your screen. If you are using the print function as a way of keeping track, press # to print the on screen total.

Just remember, enter your first number and hit +. After this, each number that you are subtracting will have a - behind it.

Mar 04, 2010 | Canon P170-DH Calculator

1 Answer

How do I get mean and standard deviation of 32.4 total of 6 numbers?


You can calculate the mean by dividing the total 32.4 by the number of entries (6). That is all you can do. You need the actual numbers (data) to get the standard devistion.

Nov 11, 2009 | Texas Instruments TI-30 XIIS Calculator

1 Answer

HOW TO SET A CLOCK AND CALENDAR ON SHARP EL-1750P CALCULATOR


GT •RATE SET GRAND TOTAL / RATE SETTING MODE SELECTOR:

“GT”: Grand Total
“•”: Neutral
“RATE SET”: To set the date, time, and tax rate, set this switch at the “RATE SET” position.

Date:
• Enter in the order of month, day and year, then press to complete the entry.
• Use to separate month, day, and year.
• When is pressed, the number entered is evaluated and displayed as “date” if the
value is within the following range; “Error” is displayed otherwise, and the previously set
date is restored.
Month: 1 - 12; day: 1 - 31; Year: 2000 - 2099 (in 4 digits) or 00 - 99 (in 2 digits)
Time:
• Enter in the order of hour, minutes, then press to complete the entry.
(There is no entry available for the seconds value. The clock starts at zero second.)
• If the hour/minute digit is less than 10, it is not necessary to enter the first digit “0”.
• Use to separate hour and minute values.
• When is pressed, the number entered is evaluated and displayed as “time” if the
value is within the following range; “Error” is displayed otherwise, and the previously set
time is restored.
Hour: 0 - 23 (24-hour system for the hour entry), Minute: 0 - 59

Aug 22, 2008 | Sharp EL-1750PIII Calculator

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