Question about Casio FX-115ES Scientific Calculator

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I have casio FC-100, there is BGN and SD on the screen. how do i get rid of these. because when i add 1+1=2, instead i get 1,00000+1,00000=2,00000. please help. thanks.

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Posted on Jan 02, 2017

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SOURCE: As the VAT has changed in the UK to 15% instead of

Hi. Switch on using the Ac button
Press the TaxSet button - and hold for 2/3 seconds
You will be show either the current tax held or zero
Type in the tax you want ie 15
Now press the taxSet button.

To verify its worked prees Ac button then press the Tax+ button is should now show you 15%. Hope this helps.

Posted on Apr 30, 2009


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Casio hr-100-tm I have set my tax rate at 0.825 now when I add 100+ tax it gives me 100.83 instead of 108.30 how do I fix this

There's nothing wrong. If you have a tax rate of 0.825% then the tax on 100 is .83. If you want 8.30 tax on 100, then set the tax rate to 8.3%.

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How do I use the random number generator to generate numbers between 1-100 or 1-10

The random number generator generates a number between 0 and one. To get a random number between 1 and 100, multiply the generated number by 100, add 1, and discard the fractional portion. To generate a random number between 1 and 10, multiply the generated number by 10, add 1, and discard the fractional portion.

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How do you find out chi squared on a casio fx 9860G SD calculator?

The following screen captures are from another Casio Graphing calculator so the menu screen may not look yours. However the instructions are identical.

Here is a sequence of screen captures to illustrate how to do it.
Turn calculator ON. Use arrow to highlight STAT and press EXE


Press F5 DIST

Then select F3 CHI

Choose Cpd or Ccd

If you choose Cpd : you must enter the Chi value you want, and press EXE, then the number of degrees of freedom (df) and press EXE. The Execute command is highlighted. This allows you to perform the actions
indicated by the Thumbnails at the bottom of the screen: calculate a value or Draw the distribution.



In the example above I took Chi=1, and df=3 and pressed the CALC menu.
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Jul 31, 2010 | Casio FX-115ES Scientific Calculator

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My calculator will not let me add or subtract percentages.

I have a Casino MS-80S and yea, the percentage works different. As example to take 100 and subtract 10%, this is what I do: 100 X 10% - and then I get the answer 90 after I press the minus key. To add the percentage instead, 100 X 10% + will give me an answer of 110, after I press the plus key.

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Casio tk1300

I'm in Australia and only going on the program manual for your area, it states that canadian tax is tax on tax? if this is true then you probably entered a code for add on or add in tax and thereby changed it all.

you need the following

tax table address
1 125
2 225
3 325
4 425

rounding off codes
rounding off to 2 decimal places is 50
rounding up to 2 decimal places is 90
cut off to 2 decimal places is 00

tax system code
tax table with out tax rate 01
tax table with tax rate and add on rate 02
add in tax rate 03
Canadian tax-on-tax rate 04

starting point
to get the starting point you multiply by 100 and subtract 1
eg 50 cents = 0.50 X 100 - 1 = 50 - 1 = 49
eg $4 = 4.00 x 100 -1 = 399

to program the tables go through these steps

go to program 3
tax table address eg 125
tax rate
ca/amt tend
starting point eg 0.50 = 49
ca/amt tend
rounding eg 50
tax system eg 04
ca/amt tend
ca/amt tend

here you have 2 choices,

press ca/amt tend to go to the next tax table ie 225 and start over by entering the tax rate and go through the procedure again


press subtotal to finalise the tax table you are on

Hope this helps,


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