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How to save formula in CASIO fx 991 es calculator?is there memory in calculator?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 497 Answers

SOURCE: fx-9750GII

http://office.manualsonline.com/manuals/mfg/casio/casio_calculator_product_list.html

that has a really good manual on just about every casio product.

Posted on Sep 12, 2009

christyrse
  • 45 Answers

SOURCE: steps to draw graphs using Fx 991 ES Plus

Hello,

There are many different functions...

You can download the entire manual after answering a few questions at www.safemanuals.com

after using the dropdown menu for this make and model.

Good Luck!

Posted on Oct 18, 2010

  • 7993 Answers

SOURCE: How do i calculate antilog

For common logs (logs in base 10) use the 10^x function : Press [SHIFT] [Log] to access it.
For natural logs, use the exponential function. Press [SHIFT][ln] to access it.

Posted on Dec 03, 2010

  • 7993 Answers

SOURCE: How I can memorize my

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).

Posted on May 23, 2011

jaypatel199
  • 1 Answer

SOURCE: how to interpolate in CASIO

its simple
press mode
3;stat
2;A+Bx
l x l y l
l 2 l 4.6 l
l 4 l 5.9 l
press; AC
press;5.9
press; shift
press;1
press;7 (reg)
press;5 (comma)
press;=
u will get ans

Posted on Nov 07, 2012

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1 Answer

Which model of casio csn do integration in limits


The Casios FX-115 ES , FX-115 ES PLus, FX-991 ES, FX-991 ES Plus C can perfom numerical differentiation at a point, and numerical integration between two given limits.

Aug 12, 2013 | Casio FX991ES Scientific Calculator

1 Answer

Save equation fx 991es


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.

Jul 19, 2013 | Casio FX991ES Scientific Calculator

1 Answer

Please is there any calculator by model fx 911 ES


Casio has a scientific calculator with Model FX-991 ES. It is sold in North America, and maybe in other continents. You can find it at Staples/ Bureau en Gros stores for around 29 CAD.

Sep 06, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How I can memorize my own formula (expression) in memory of FX 991 ES for using in future, step by step ?


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).

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

3 Answers

How to interpolate in CASIO fx 991 ES


its simple
press mode
3;stat
2;A+Bx
l x l y l
l 2 l 4.6 l
l 4 l 5.9 l
press; AC
press;5.9
press; shift
press;1
press;7 (reg)
press;5 (comma)
press;=
u will get ans

Feb 08, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How do i calculate antilog on my casio fx-991 ES calculator? Urgent! Have a paper tomorrow!


For common logs (logs in base 10) use the 10^x function : Press [SHIFT] [Log] to access it.
For natural logs, use the exponential function. Press [SHIFT][ln] to access it.

Dec 03, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How to get the inverse of a matrix an fx-991 ES calculator


The same way you would get the inverse of a number. Assuming you already have the matrix entered into memory, press SHIFT 4 to bring up the matrix menu, select the matrix whose inverse you want, then press the x^-1 key (just to the right and slightly below the big round cursor pad.

Nov 02, 2010 | Casio FX-115ES Scientific Calculator

2 Answers

Steps to draw graphs using Fx 991 ES Plus calculator.


Hello,

There are many different functions...

You can download the entire manual after answering a few questions at www.safemanuals.com

after using the dropdown menu for this make and model.

Good Luck!

Oct 18, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Explain how to find the logarithm, base 18, of a number.


Hello,
Sorry I clicked the post a clarification request too fast.

You cannot compute it directly. You have to use the formula

log_18(number) = ln(number)/ln(18).

Here log_18 is log in base 18, ln is the natural logarithm (naeperian or log in base e).

Alternatively, you can use

log_18(number) = log(number)/log(18)

where log is log in base 10.

If you use those types of calculations a lot, it might be a good idea to get a Casio FX-115ES, or a Casio FX-991 ES. They have other nice features like fraction calculations and radicals.

Hope it helps.

Oct 15, 2009 | Casio FX-300MS Calculator

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