Question about Casio FX-115ES Scientific Calculator

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.

Posted on Aug 18, 2009

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Posted on Jan 02, 2017

Sorry but you are using the word EQUATION incorrectly. All you have is two numbers you want to divide one by the other.

Enter the numerator 1EE (-) 14, press the division key / then enter the 5 EE (-) 12. Press the = sign.

Note: to enter the negative sign in the exponents, use the change sign key marked**(-), (+/-) or [+/-] **. Do not use the regular MINUS sign.

When you use the EE key, you must not enter the 10. It is understood because EE is a shortcut for***10^**.

Enter the numerator 1EE (-) 14, press the division key / then enter the 5 EE (-) 12. Press the = sign.

Note: to enter the negative sign in the exponents, use the change sign key marked

When you use the EE key, you must not enter the 10. It is understood because EE is a shortcut for

Apr 06, 2014 | Texas Instruments TI-30XA Calculator

The EXP button, just above the 7 button.

Sep 22, 2013 | Aurora Electronics SC190 Scientific...

If it is a **scientific calculator,** it has a key marked **EE** or** Exp **or **x10^X. **

To enter a number in scientific notation, you enter the decimal part, then you press the power of 10 key (EE, Exp, or x10^X) followed by the exponent.

Feb 13, 2012 | Office Equipment & Supplies

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)

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

In grams the value above is multiplied by 1000.

or

Since the calculator has the physical constants (the FX-991ES definititely has them)

- Display the proton mass in kilograms
- [SHIFT ][7] to open the constants catalog,
- type 01 for the proton mass, then press the [x^-1].
- Divide the result by 1000
- You should get 5.978638635 x10^23

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

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.

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

Sep 22, 2010 | Sentry CA656 Calculator

Hello,

If you have the [EE] key (sometimes labeled [Exp], or [times 10 to the x], you enter your expression as 1[EE](-9). If you do not have that key you can use the general power key [X to the y] or [Y to the x] or [^] depending on calculator 10[^](-9) = 0.000000001 or equivalently 1.0000x10^(-9)

EE or EXP are shortcuts for times 10 to the power.

Hope it helps.

If you have the [EE] key (sometimes labeled [Exp], or [times 10 to the x], you enter your expression as 1[EE](-9). If you do not have that key you can use the general power key [X to the y] or [Y to the x] or [^] depending on calculator 10[^](-9) = 0.000000001 or equivalently 1.0000x10^(-9)

EE or EXP are shortcuts for times 10 to the power.

Hope it helps.

Sep 30, 2009 | Casio Office Equipment & Supplies

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.

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

Thus

The new generation of calculators does not have the [Exp] or [EE] key. It is replaced by a key with a more explicit label

Hope it helps.

Sep 23, 2009 | Casio FX-300MS Calculator

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

May 01, 2009 | Casio fx-300ES Calculator

Hello,

I dont think you got a lemon.

You acn always enter the powers of 10 as 10, [y^x], but is is less efficient than the EE key

This EE representation is a shortcut.

If you want 10 to the 5th power you just enter [2nd] [EE] 5 and the calculator displays 100000. Of course if you need any other number multiplying the power of ten you enter the following e.g. 2.677[x][2nd][EE]5.

You will not get any error with a positive exponent. But if your exponent is negative you should use the change signe key to the left of ENTER and symbolized by (-)

To avoid all errors I would use parentheses to enclose my exponent.

Here is how to explain the seemingly erroneous result

10 [EE] 5 ) (-) is interpreted by your calculator as 10x(10^(-5)) which evaluates correctly to 0.0001 because [EE] by itself stands for 10^ .

Hope it clarifies this point for you.

By the way some new calculators (Casio) don't have this EE key. Instead you find a key labeled x10^X .

Hope it helps

I dont think you got a lemon.

You acn always enter the powers of 10 as 10, [y^x], but is is less efficient than the EE key

This EE representation is a shortcut.

If you want 10 to the 5th power you just enter [2nd] [EE] 5 and the calculator displays 100000. Of course if you need any other number multiplying the power of ten you enter the following e.g. 2.677[x][2nd][EE]5.

You will not get any error with a positive exponent. But if your exponent is negative you should use the change signe key to the left of ENTER and symbolized by (-)

To avoid all errors I would use parentheses to enclose my exponent.

Here is how to explain the seemingly erroneous result

10 [EE] 5 ) (-) is interpreted by your calculator as 10x(10^(-5)) which evaluates correctly to 0.0001 because [EE] by itself stands for 10^ .

Hope it clarifies this point for you.

By the way some new calculators (Casio) don't have this EE key. Instead you find a key labeled x10^X .

Hope it helps

Mar 12, 2009 | Texas Instruments TI-30XA Calculator

x10 to the power of x is the EXP button, just press this and then the number it is to the power of!

Nov 20, 2008 | Casio fx-300ES Calculator

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