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Posted on Jan 02, 2017

SOURCE: instruction manual for Casio fx -991 Scientific calculator

There are plenty of casio 991 manuals here. Take your pick!

http://safemanuals.com/zearch_160.php

Dom't forget to leave feedback if it solves your problem. 'fixya'!

Posted on May 01, 2008

SOURCE: Casio scientific fx-991N calculator - keys 2 and 8

how to solve F(s)=s+6/s(s*s+4s+3) on casio fx991es

Posted on Mar 26, 2009

SOURCE: standard deviation

standard deviation

calculate mean of a data set:

1. Turn calc. on or press MODE SeTUP

2.Press 3 for STAT

3. Press 1 for VAR

4.Enter values for X column

5. WHen done entering press SHIFT 1

6.Press 5

7.Press 2 to calculate the mean

8.Press =

Posted on Sep 19, 2009

SOURCE: is the CAsio Scientific calculator fx-82TL a

Hi,

Sorry to disappoint you: This calculator is not programmable.

Good luck.

Posted on Nov 30, 2009

Testimonial: *"Very much appreciated, quick response etc.
"*

There is no such button. You must figure out the formula and enter it, giving the appropriate value for the annual interest and the number of years (15).

Sep 27, 2014 | Casio fx-115ES Plus Scientific Calculator

Go to Casio Support webpage:

http://support.casio.com/en/manual/manualfile.php?cid=004009077

Download or read Manual online.

http://support.casio.com/en/manual/manualfile.php?cid=004009077

Download or read Manual online.

Sep 03, 2014 | Casio FX-115W PLUS Scientific Calculator,...

Your answer is 6.7*10^18. That requires 19 places on the display: There are not enough places to write that. Besides, calculators are deigned to use Scientific Notation whenever the result to be displayed is too large or too small.

If you enjoy writing zeros, convert by hand the scientific notation into what you call long number.

If you enjoy writing zeros, convert by hand the scientific notation into what you call long number.

Jul 09, 2014 | Casio Brand New-Fx-991es Plus - Scientific...

You can do it the same way people did it before calculators were invented. Just use the quadratic formula: http://en.wikipedia.org/wiki/Quadratic_formula, and let the calculator handle the arithmetic. Some sophisticated calculators have generalized equation solvers that can handle equations much more complicated than the quadratic, but the fx-82 isn't one of them.

Nov 06, 2013 | Casio FX82MS Scientific Calculator

In table Mode you can enter the formula for a function and generate a table of values. For a 991ES Plus you can enter two functions. However if you change MODE everything will be erased.

In EQN (equation) there is a certain number of built in formula types you can choose. You will be asked for the coefficients which will be used to solve the equation selected. However if you change MODE your lose what you entered.**So basically you cannot save formulas to use as a memory aid **(if that is what your intention is.) Sorry.

In EQN (equation) there is a certain number of built in formula types you can choose. You will be asked for the coefficients which will be used to solve the equation selected. However if you change MODE your lose what you entered.

Jul 19, 2013 | Casio FX991ES Scientific Calculator

ORPAT fx -100d how to remove 0.00000

Feb 09, 2012 | HP 35s Scientific Calculator

Sorry, but you cannot.

You can type in a formula that involves the memory variables X,Y, A, B,C,D, E, =, . Such a formula is meant to be evaluated to get a solution (X by default). Once you type the formula you press the Shifted function SOLVE and you will be prompted for the constants, for Y etc. when you press the EXE/= key you get the value of X.

If you turn off the calculator or change the calculation MODE, it is wiped out of memory.

To make a long story short, you cannot STORE formulas in the calculator. Better try to memorize them (commit then to YOUR OWN memory).

You can type in a formula that involves the memory variables X,Y, A, B,C,D, E, =, . Such a formula is meant to be evaluated to get a solution (X by default). Once you type the formula you press the Shifted function SOLVE and you will be prompted for the constants, for Y etc. when you press the EXE/= key you get the value of X.

If you turn off the calculator or change the calculation MODE, it is wiped out of memory.

To make a long story short, you cannot STORE formulas in the calculator. Better try to memorize them (commit then to YOUR OWN memory).

May 22, 2011 | Casio FX-115ES Scientific Calculator

just memorize the formula

Jan 16, 2011 | Casio FX-115ES Scientific Calculator

Are you serious?

No calculator purchase should be solely based on such a trivial matter.

But if you are looking for a very good scientific calculator, I would suggest the new Write View EL-W506/W516/W546 calculators by Sharp, or the FX-115ES/991ES Natural Display by Casio.

With these calculators you can see what you enter displayed as in textbooks. Naturally, they all do coordinates conversions from Polar to Rectangular and from Rectangular to Polar.

No calculator purchase should be solely based on such a trivial matter.

But if you are looking for a very good scientific calculator, I would suggest the new Write View EL-W506/W516/W546 calculators by Sharp, or the FX-115ES/991ES Natural Display by Casio.

With these calculators you can see what you enter displayed as in textbooks. Naturally, they all do coordinates conversions from Polar to Rectangular and from Rectangular to Polar.

Jun 17, 2010 | Casio FX-115ES Scientific Calculator

hello,

The calculator will calculate the derivative at a point. It will not give you the formula for the derivative, just the derivative at the point you choose.

Sorry, it can ONLY do NUMERICAL differentiations and integrations.

The calculator will calculate the derivative at a point. It will not give you the formula for the derivative, just the derivative at the point you choose.

Sorry, it can ONLY do NUMERICAL differentiations and integrations.

Oct 21, 2009 | Casio FX-115ES Scientific Calculator

Sep 26, 2017 | Major Computers & Internet

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