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How to calculate mod - Casio FX-115MS Plus Calculator

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Press shift hyp ,this will help

Posted on Dec 20, 2009


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How to calculate 7^35mod561 in calci fx-991ms?

I don't have that calculator handy, but I imagine the problem is that 7^35 is an awful big number and the calculator would put it in scientific notation. So can we rearrange the question so that we can do it on the calculator.

The 7 is already prime, so we can't do much with that.

However, we can divide up the 35 into its factors of 7 and 5.

Thus, 7^35 mod 561 = (7^5)^7 mod 561

This becomes 7^5 mod 561 ^ 7 mod 561
16807 mod 35 ^7 mod 561
538 ^ 7 mod 561



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May 24, 2016 | Office Equipment & Supplies

1 Answer

Can find mod

I am not sure I understand what you want.
123 mod 3=0
123 mod 391 =123
391 mod 123 =22
I cannot say if the calculator can do modulo calculations. the only manual I could unearth is in the language of tomorrow (Chinese).

Feb 04, 2014 | Canon F-604 Scientific Calculator

1 Answer

Where is mod on calculator

Sorry to disappoint you but this calculator does not perform modulo calculations. However you can use the fraction key [a b/c] to enter the numerator and denominator. If the result is given as an improper fraction a b/c, then a mod c=b.
If the result is given as an improper fraction (that would be you input) press [SHIFT][a b/c] to convert it.
On the display integer part, the numerator of the fraction part and its denominator are separated by a symbol as seen on the screen capture below.



Jan 24, 2014 | Canon F-502 Calculator

1 Answer

Remainder fractions


You would be looking for a function called 'MOD' which returns a remainder. so 7 MOD 6 = "1".

If your calculator does not have the MOD function... then you can do it by 7 divide by 6 = 1.16666... then take the fractional portion 0.16666 and multiple by your divisor, 0.166666 x 6 = "1". So you can easily calculate it.
Hope this helps

Nov 04, 2013 | Casio FX82ES Scientific Calculator

1 Answer

Mod operation in fx-83gt plus

Like many other Casio calculators, the fx-83GT Plus doesn't provide the modulus function. You have to do it the hard way.
To calculate 19 MOD 10 (which is 9, not 10 as you state in your question), first divide 19 by 10 and note the integer portion of the result (in this case, 1). Then subtract from 19 the product of 10 and the result of the first step. The result of the subtraction is the modulus. 19 - (1*10) = 9.

May 10, 2013 | Office Equipment & Supplies

1 Answer

How to calculate mode with caso fx-991ES

MOD simply calculates the remainder that is left over after dividing by the MOD parameter.
For example, 10MOD7 = 3 since you can only divide 7 into 10 once, leaving a remainder of 3.
For larger numbers, eg 389487MOD31 you start by dividing 389487 by 31, which gives 12564.09677 (on the display), however you only want the fractional part so subtract 12564 to give 0.0967741935 . This includes the lower value digits that were previously hidden. Then multiply this result by 31 which gives 2.999999999 on the display. Since the result of a MOD calculation has to be a whole number, the answer needs to be rounded to 3. If the answer doesn't easily round to a whole number, it is likely that you have gone beyond the calculators working capacity.
An alternative method is to take the integer part of the first result (12564) and multiply it by 31 to get 389484, then subtract this from 389487, giving the answer of 3.

Feb 23, 2013 | Casio FX991ES Scientific Calculator

3 Answers

How do I calculate the mod function in my casio fx 100ms model

It seemed there is no Modulo function in fx-100MS. But Mod is just the remainder of a division operator.

So if you have A mod B = C, divide A by B, subract the remaining whole number, and multiply it by B to get C.


7 mod 4 = 3

In the Calculator:

7 / 4 = 1.75, then 1.75 - 1 = 0.75. Then 0.75 x 4 = 3

May 30, 2011 | Casio FX-300MS Calculator

1 Answer

I need to calcualte 4587 mod 8 how do i do this on the casio fx-115MS? (there's no 'mod' button) Many thanks

The lack of a mod function makes this more than a bit painful. Here's one way:

Press MODE 4 to go into BASE-N (integer) mode. If the display doesn't read "Dec", press the x^2 key. Now calculate 4587-4587/8*8 (press 4 5 8 7 - 4 5 8 7 / 8 * 8 =, where * is the multiply and / is the divide).

You can calculate other mod problems the same way. a mod b is a-a/b*b.

Press MODE 1 to return to your previously scheduled calculations.

May 11, 2011 | Casio FX-115MS Plus Calculator

1 Answer

How to get mod on it

If you are thinkink of the modulo function, usually shortened to mod(, I am sorry to say it but that function does not exist on the calculator.
However, there is MODE button that one uses to set the operation mode of the calculator.
You have three principal mode setting
COMP: the general computational mode
SD: a statistics mode to calculate Standard Deviations
REG: to perform REGression analyses on statitical data.

Once you have chosen the preferred calculator mode (COMP, SD, or REG) other choices (dependent on the main calculator mode) will be available.


May 03, 2010 | Casio fx-300ES Calculator

2 Answers

M mod n in Casio fx991MS

there is one button ab/c beneath CALC... if u want to calculate 7 mod 4 then... u should press 7 then ab/c 4 and equal to
1, 3 ,4 which is 4*1=4 and 7-4=3 remainder...

Jun 29, 2009 | Casio FX-115MS Plus Calculator

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