Question about Casio FX-115ES Scientific Calculator

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It's a bit convoluted, and it only works for integers, but here's one way. Press MODE 4 to switch to BASE-N (integer) mode. If the screen doesn't read "Dec" then press the x^2 key. Now, to calculate A mod B, calculate A-A/B*B. No shortcuts, no rearranging. That's A minus A divided by B times B. You have to enter both numbers twice, but you will get the modulus.

Press MODE 1 to return to your previously scheduled calculations.

Posted on Jun 29, 2011

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Posted on Jan 02, 2017

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The calculator does not have a TVM application, so you cannot perform these calculations.

Mar 18, 2014 | Casio FX-115MS Scientific Calculator

Press SHIFT MODE 1 to put the calculator into MathIO mode.

Jun 15, 2011 | Casio FX-115MS Plus Calculator

It's a bit convoluted, and it only works for integers, but here's one way. Press MODE 4 to switch to BASE-N (integer) mode. If the screen doesn't read "Dec" then press the x^2 key. Now, to calculate m mod n, calculate m-m/n*n. No shortcuts, no rearranging. That's m minus m divided by n times n. You have to enter both numbers twice, but you will get the modulus.

Press MODE 1 to return to your previously scheduled calculations.

Press MODE 1 to return to your previously scheduled calculations.

May 30, 2011 | Casio FX-115MS Plus Calculator

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.

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

To calculate modulo with the FX-115MS calculator, follow these steps:

e.g.: 9%4=1

9 (minus) 9 (divide) 4 (times) 4 =

so, 9-9/4*4 will yield the correct answer of 1

e.g.: 9%4=1

9 (minus) 9 (divide) 4 (times) 4 =

so, 9-9/4*4 will yield the correct answer of 1

May 25, 2010 | Casio FX-115MS Plus Calculator

The MOD function simply returns the remainder that is left over after dividing the two numbers.

In this case, its possible to see quite easily that only 1×19937 can be taken from 24124 before the remainder is less than 19937. The MOD function is therefore the same as 24124 - 19937 = 4187.

In cases that are less obvious, do the division, ie 24124 ÷ 19937 = 1.210011536[34]

[The last two digits are hidden on the display but still used in subsequent calculations].

Then obtain the fractional part by subtracting 1 to give 0.210011536[34]. Then multiply the answer by 19937 to give 4187. Assuming that you haven't cleared the screen between each section of the calculation, the screen will show "Ans×19937 [=] 4187".

In this case, its possible to see quite easily that only 1×19937 can be taken from 24124 before the remainder is less than 19937. The MOD function is therefore the same as 24124 - 19937 = 4187.

In cases that are less obvious, do the division, ie 24124 ÷ 19937 = 1.210011536[34]

[The last two digits are hidden on the display but still used in subsequent calculations].

Then obtain the fractional part by subtracting 1 to give 0.210011536[34]. Then multiply the answer by 19937 to give 4187. Assuming that you haven't cleared the screen between each section of the calculation, the screen will show "Ans×19937 [=] 4187".

May 10, 2010 | Casio FX-115MS Plus Calculator

press shift hyp ,this will help

Dec 12, 2009 | Casio FX-115MS Plus Calculator

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...

1, 3 ,4 which is 4*1=4 and 7-4=3 remainder...

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

Hello

Use the general power key labelled as [^], or [X to the y] or [Y to the x] depending on calculator.

3500000 [ / ] [(]7.5 [^] 20[)] [=] gives 1.103678993 E -11

Hope it helps.

Use the general power key labelled as [^], or [X to the y] or [Y to the x] depending on calculator.

3500000 [ / ] [(]7.5 [^] 20[)] [=] gives 1.103678993 E -11

Hope it helps.

Apr 07, 2009 | Casio FX-115MS Plus Calculator

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