Question about Casio FX-115ES Scientific Calculator

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How to enter problems on calculator - Casio FX-115ES Scientific Calculator

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  • Anonymous Feb 01, 2009

    calculate antilog

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4 Answers

2(292)3

Posted on Sep 15, 2008

3000*5000=

Posted on Sep 08, 2008

How do you cube on a calculator

Posted on Sep 08, 2008

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Http://www.generalmanual.com/Calculators/Casio-FX-115ES-Scientific-Financial-Calculator.htm

Posted on Jul 07, 2008

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1 Answer

How can I solve a problem if my enter button doesn't work on the TI-84


If the ENTER button is defective you cannot use the calculator. Have it repaired.

Sep 13, 2014 | Texas Instruments TI-84 Plus Silver...

1 Answer

Here's the problem x - 5 = 10, how do I get the actual = sign to show up like this example?


It depends on the calculator. The Casios have two = signs. The main one tells the calculator to evaluate the expression entered. It is at the bottom of the face of the calculator.
There is a second key that helps you enter the = sign without executing the command. To type in that = sign, you press the ALPHA key followed by the CALC key. The = sign is entred. Usually that sign is used when you want to enter an equation to be solved.

What I said above to some Casio calculators. However your question is under the Texas Instruments Calculators heading, and I have no idea which TI calculator you have in mind,

Mar 11, 2013 | Texas Instruments Calculators

1 Answer

One of my students has a new TI 84 calculator. When he enters a problems like 2^3*8^2 the calculator works the problem like it is 2^(3*8^2). Should he return the calculator or is there a setting that...


He apparently has the new operating system working in MathPrint mode. Try pressing 2 ^ 3 right-arrow * 8 ^ 2 ENTER.

The right-arrow terminates the exponent and continues with the remainder of the expression.

Feb 09, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Okay, so I have a problem where I need to get what 25/3 is...when I put this into my ti-89 titanium from the home screen the only answer it gives me is 25/3, what is up with that? It won't do simple...


If you leaf through the manual with its 500 some pages you will diuscover that your last statement is not quite right.
The "problem" is that the calculator is configured to perform EXACT calculation where fractions are kept as fractions and radicals as radicals.

To have your fractions displayed as decimal numbers ALL THE TIME
Press [MODE][F2]
Use Arrow down to highlight [Exact/Approx
Use right arrow to unfold the menu list and select [3:Approximate]
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Press [ENTER] to save configuration

There are two other ways to convert an exact result into an approximate one
  1. If you enter 25./3 or 25/3. or 25/3. and press [ENTER] the fraction will be displayed as a decimal number (The dot is a decimal mark, and it instructs calculator to perform approximate calculations)
  2. If enter 25/3 without the decimal marks and press [Diamond][ENTER] the result will be decimal.

Feb 17, 2010 | Texas Instruments TI-89 Calculator

1 Answer

On my calculator it says a? on the top left hand corner? n wen i tpe my numbers on calcualtor the number does come but not actually solve the problem


It might actually help to identify your calculator (make and model number). Your calculator is trying to solve an equation. So it is prompting you to enter the value of the parameter a. All you have to do is enter the value of a, press enter or =, enter the values of the other parameters to obtain your solution. Follow the calculator prompts. YOU alone know what problem you are trying to solve.
If you have any doubt about what you are supposed to be doing read the manual of your anonymous calculator.

Jan 13, 2010 | Calculators

1 Answer

If a textbook problem is given in DMS notation, how do I enter the DMS notation into the TI84 to get decimal degrees?


On this family of calculators, you do as follows
Enter the first number (degrees), ex:15
Press [2nd][APPS] (ANGLE) to access the Angle functions
Select [1: degree symbol] [ENTER]
Main screen shows 15 deg
Enter the minutes, ex 25
Press [2nd] [APPS](ANGLE) to access Angle functions
Select [2:' apostrophe] [ENTER]
Screen echoes 15 deg 25'
Enter the seconds number, ex 32
Press [2nd][+] (") to access the double quotation mark
Screen echoes 15 deg 25' 32"
Press [ENTER]
Calculator converts this in decimal degrees 15.42555556

To convert this back to DMS, press [ANGLE][|=>DMS][ENTER] and the calculator displays the original value 15 deg 25' 32"

Jan 06, 2010 | Texas Instruments TI-85 Calculator

1 Answer

Plus or Minus Sign


I'm assuming you want the +/- symbol like you see in the quadratic formula. There is no key to enter this. You will have to enter 2 separate problems. Enter the numbers with the + symbol and then enter the numbers with the - symbol.

Jun 05, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Too few arguments appeat when turn on the HP 48gx calculator


Hello,

This calculator uses RPN (reverse polish notation) not algebraic notation.
If say you want to calculate 12+13, you proceed as follows
12 [ENTER] 13 + : the claculator displays 25
Similarly
12 [ENTER] 13 x : displays 156

Also if you use a function like sinus or cosinus
12 [ENTER] cos displays the value (depending on the angle unit you are using).


I think you need to read a little more on the RPN before you get accustomed to this way of doing thing. The best reference is your calculator Getting started manual.


Hope it helps.

Jan 18, 2009 | HP 48gx Calculator

1 Answer

Half-life exponential problem. Can't get the same answer as example


Hello,
Here is how you enter it.
[+/-]0.693/8x4[2ndF][e^x][=] result is 0.7071588193 or as you wrote 0.7071
some calculators show an error message if you enter the [+/-] (the negative of a number before the number itself).
In that case enter 0.693 then press [+/-]. the calculator should put a small - sign before the 0.
You can try
0.693[+/-][x]4[/]8[2ndF][e^x][=]

Hope it clarifies things.

Sep 16, 2008 | Sharp EL-531VB Calculator

1 Answer

Texas Instrument BA2 NPV problem


After you enter the value, you have to press enter so the value is saved for the calculation.

Sep 17, 2007 | Texas Instruments BA-II Plus Calculator

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