Question about Casio fx-300ES Calculator

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Hello,

When you calculate the** product** 7.4 x2, the calculator gives you a fraction reduced to it simplest terms, 74/5 . The result is correct, but it happens that you want it
expressed as a decimal rather than a fraction. To fix that all you have
to do is to press the button **[S<->D] ** above the red [DEL] key. It allows you to toggle the display format between fraction and decimal.

74/5 [S<->D] changes display to 14.8 and if you press the key again you go back to fraction

14.8 [S<->D] 74/5

Similarly,
if you enter square root of 2 and it displays as a radical, you convert
it to a decimal by pressing the key [S<->D].

The fraction
and radical formats allow you to do exact claculations. But if you do
not want to hear about that you can just press [SHIFT][MODE][2:LineIO]
: Your calculator will do things the old way, but you will lose some
important functionalities.

My suggestion is to set the default mode
[MathIO] by pressing [SHIFT][MODE][MathIO] and to press the
[S<->D] key to convert to decimal.

Hope it helps.

Posted on Oct 17, 2009

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Posted on Jan 02, 2017

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Your problem is that the calculator is in Base N calculator mode (Octal, base 8). only the keys 0 to 7 are active. Change the mode to Decimal (base 10) or reset it completely, and your calculator will come back to life.

Jan 04, 2016 | Canon Office Equipment & Supplies

The **octal** numeral system, or **oct** for short, is the base-8 number system, and uses the digits 0 to 7. Octal numerals can be made from binary numerals by grouping consecutive binary digits into groups of three (starting from the right). For example, the binary representation for decimal 74 is 1001010, which can be grouped into (00)1 001 010 - so the octal representation is 112.

In the decimal system each decimal place is a power of ten. For example:

In the octal system each place is a power of eight. For example:

By performing the calculation above in the familiar decimal system we see why 112 in octal is equal to 64+8+2 = 74 in decimal.

Hope this helps

In the decimal system each decimal place is a power of ten. For example:

In the octal system each place is a power of eight. For example:

By performing the calculation above in the familiar decimal system we see why 112 in octal is equal to 64+8+2 = 74 in decimal.

Hope this helps

Jul 15, 2014 | Necchi Sewing Machines

The 107,186.37 is what the future value would be if the interest per month is 0.58%, which is 6.96% per year. Try the following:

2nd [CLR TVM] 1 2 N 7 I/YR 1 0 0 0 0 0 PV CPT FV

As for rounding, you can change the calculator display to any number of digits (up to a limit, of course) by pressing 2nd [FORMAT] and then a number specifying the number of desired digits after the decimal point or 9 for floating decimal.

2nd [CLR TVM] 1 2 N 7 I/YR 1 0 0 0 0 0 PV CPT FV

As for rounding, you can change the calculator display to any number of digits (up to a limit, of course) by pressing 2nd [FORMAT] and then a number specifying the number of desired digits after the decimal point or 9 for floating decimal.

Mar 14, 2012 | Texas Instruments BA-II Plus Calculator

Press 2nd [SCI/ENG] and select "FLO" for floating decimal.

Sep 08, 2011 | Texas Instruments TI-30 XIIS Calculator

To convert a single result to decimal, press S--D. to have all results come out in decimal, press SHIFT MODE 2 to switch to the LineIO mode.

Nov 23, 2010 | Casio FX-115ES Scientific Calculator

You need to set the number of decimal places to 1 or more.

• Press [2nd] [MODE] and scroll to FLOAT.

• Press the right arrow key until the number of decimal places needed is highlighted.

• Press the [ENTER] key.

For 2 decimal places, 2 should be highlighted. All answers will then be rounded to 2 decimal places.

• Press [2nd] [QUIT] to return to the home screen.

• Press [2nd] [MODE] and scroll to FLOAT.

• Press the right arrow key until the number of decimal places needed is highlighted.

• Press the [ENTER] key.

For 2 decimal places, 2 should be highlighted. All answers will then be rounded to 2 decimal places.

• Press [2nd] [QUIT] to return to the home screen.

May 03, 2010 | Texas Instruments TI-30X-IISTK Scientific...

try this, press shift mode, then line 10. It will make it permanent. the answer will always be in decimals. if you are using a casio with ES models.

Jun 14, 2009 | Office Equipment & Supplies

I found this solution on the HP website. Turn it on, and do what it says. Then turn it off and back on again, and the extra decimal places should show.

http://h10025.www1.hp.com/ewfrf/wc/document?dlc=en&lc=en&cc=us&docname=bpia5183

- Press and release the gold PREFIX key (f).
- Press the number key for the desired number of decimal places (0 through 9).

Mar 25, 2009 | HP 12c Calculator

Hello,

You may have guessed right. The presence of the parentheses makes the content of the parentheses evaluated first. So there is a loss of precision.

On the Ti92 I do 7*(-1/7)+1 and find 0.

But with Floating mode set at 12 decimal digits I get

1/7.=.142857142857.

Then .142857142857.*(-7) + 1 gives 2E-14.

Try to calculate pi*(-1/pi) +1 or e*(1/e)+1.

Hope it answers your question.

You may have guessed right. The presence of the parentheses makes the content of the parentheses evaluated first. So there is a loss of precision.

On the Ti92 I do 7*(-1/7)+1 and find 0.

But with Floating mode set at 12 decimal digits I get

1/7.=.142857142857.

Then .142857142857.*(-7) + 1 gives 2E-14.

Try to calculate pi*(-1/pi) +1 or e*(1/e)+1.

Hope it answers your question.

Sep 29, 2008 | Texas Instruments TI-86 Calculator

remove battery and return it back this make reset-decimal places can be adjust with decimal switch.

Dec 21, 2007 | Sharp EL-240SB Calculator

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