Question about Casio fx-300ES Calculator

# EXP or ee button i cannot find

Im doing a home course of gcse maths and got a casio fx-83es, i cant do standard form because i cannot find the exp or ee button so is there another function button or am i just doing it wrong?
please help im at my wits end now
thank you

Angel

Posted by on

• Anonymous Mar 01, 2009

i can not find th EXP button on this calculator, i need to know how to do standard form for my GCSE's is there another botton? please help. thanks

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X10 to the power of x is the EXP button, just press this and then the number it is to the power of!

Posted on Dec 03, 2008

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No there IS NO "[EXP]" BUTTON on the Casio FX-300ES Scientific Calculator.
AND the supposed replacement for it "10^x" button is NOT equivilent.
Just try to calculate 4.18844x10^-4 / 2.324423x10^-5 = and see what answer you get, IT WILL NOT BE CORRECT!
This would be correct if the calculator had a proper [EXP] button, which represent inherently x10^x.
4.18844[EXP]-4 / 2.34423[EXP]-5 will give the correct answer, IF this calculator only had that button.
To get the correct answer using this calculator you will have to input it like this:
(4.18844x10^-4)/(2.324423x10^-5) =
This is amazing and outrageous, considering this is supposed to be scientific calculator, you cannot even enter numbers naturally in scientific notation, you have use parenthesis and tricks and double check to make sure they are all there, or you will get the wrong answer.

Posted on Sep 07, 2010

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Posted on Jan 02, 2017

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## Related Questions:

1 Answer

### Hi there, i have the same problem with the Casio fx 83ES. Simple Sums difficult without Exp?

The Enter Exponent key may be marked as x10^x. It is in the last row of keys, near the =/EXE. To enter a negative exponent use the change sign key (-), not the minus key for subtractions.

May 01, 2012 | Casio Office Equipment & Supplies

1 Answer

### I need step by step instructions on using Casio fx-115ES ee or exp burron.

The equivalent of the EE or EXP button on the Casio Fx-115ES is marked as x10^X. It is located at the bottom right of the key pad left of the = key.
To enter the power of 10 in a number written in scientific notation, you press the x10^X button followed by the exponent. If the exponent is negative you press the change sign key first [(-)] , then the one or 2 digits in the exponent.
Example Enter the mass of the proton m_p in kilograms
1.6726217 [x10^X] [(-)]27 [=]
In grams the value above is multiplied by 1000.
or
1.6726217 [x10^X] [(-)]24 [=]

Since the calculator has the physical constants (the FX-991ES definititely has them)
1. Display the proton mass in kilograms
2. [SHIFT ][7] to open the constants catalog,
3. type 01 for the proton mass, then press the [x^-1].
4. Divide the result by 1000
5. You should get 5.978638635 x10^23

Feb 07, 2012 | Casio FX-115ES Scientific Calculator

1 Answer

### I need help calculating how many protons are in 1gram

The equivalent od the EE or EXP button on the Casio Fx-115ES is marked as x10^X. It is located at the bottom right of the key pad left of the = key.
To enter the power of 10 in a number written in scientific notation, you press the x10^X button followed by the exponent. If the exponent is negative you press the change sign key first [(-)] , then the one or 2 digits in the exponent.
Example Enter the mass of the proton m_p in kilograms
1.6726217 [x10^X] [(-)]27 [=]

Feb 07, 2012 | Casio FX-115ES Scientific Calculator

1 Answer

### I have casio fx 300. How do you do 8.174 multiply 10 to the power of 18 divide by 7.022 multiply 10 to the power of 23?

8.174 [ x ] 10 [EXP] 18 [divide] [ ( ] 7.022 [ x ] 10 [EXP] 23 [ ) ]
Hey, it is not easy typing these! i hope you would give me a good rating!

Sep 21, 2011 | Casio FX-300MS Calculator

2 Answers

### How to use sentry ca 656 calculator for exponential forms in positive and negative ? when i am trying to do 2 to the power of 3 , it is giving me answer as 2000.for this i pushed 2 button than EXP than 3 ....

The EXP key is what's marked EE on most calculators and adds a decimal exponent. 2 EXP 3 means 2*10^3 which is 2000 as you've discovered.

You need to use the x^y key (just above DEL) instead.

Sep 22, 2010 | Sentry CA656 Calculator

1 Answer

### When i enter 10 exp (-)2 equals, the calculator displays the result as 0.1 when it should be 0.01? why would this be happening?

Hello,
The [EE] or [Exp] shortcut is the source of much grief to the students.
When you press the [Exp] 0 you are in fact entering 1.00 so

[EE] (-)1 [=] gives 0.1
[EE] (-)2 [=] gives 0.01

Thus
10[EE](-)2 is 10[x][EE](-)2 or 10[x]0.01 = 0.1

The new generation of calculators does not have the [Exp] or [EE] key. It is replaced by a key with a more explicit label [times 10 to the X]
Hope it helps.

Sep 23, 2009 | Casio FX-300MS Calculator

1 Answer

### Trying to use in standard form says to use the exp or ee button which i cant find plss help !!!

Hello,

Times are achanging. The powers of 10 used to be represented by EXP or even EE. But cheer up, it seems that Casio came to its senses and now they represent it as x10X (multiply by 10 to the Xth power) It is the middle key on the lowest row.

After you press the key, enter the exponent.

Jul 02, 2009 | Casio FX-115ES Scientific Calculator

2 Answers

### I cant find the EXP or ee button on my casio

the EXP button is the one that says 'x10' next to the 'Ans' key at the bottom.

May 01, 2009 | Casio fx-300ES Calculator

10 Answers

### Casio fx-83ES

there is a button SD close to AC button, standard - decimal try it .......or
shift+mode format math IO, change it to the other option

Jan 02, 2008 | Casio fx-300ES Calculator

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