Casio Fx-992s Scientific Calculator - Page 9 - Answered Questions & Fixed issues

It does not solve complex number equations. You can do simple calculations on complex numbers: addition, multiplication, etc. But nothing fancy.

Create a square matrix at mots 3X3. Then you can multiply it by a scalar, or scare it, or calculate its determinant, and inverse. With two matrices that have the same dimensions you can perform .additions/subtractions or multiplications.

I dont believe there is a grand total on that machine. http://support.casio.com/en/manual/manualfile.php?cid=004005001

Sub total button is designation is a a diamond.

Short answer is no. These are low end calculaotors and parts are hard to obtain. These calculators are cheap and basically disposable. It is cost prohibitive to replace the printer in them. Sorry.

I think Duff H gave you good advice. Can you include picture of the back of the calculator? The picture that Duff H posted shows the battery compartment door. There is no need to unscrew the back of the calculator, just put your thumb on straight lines and push towards the top of the calculator. It may take extra pressure if the batteries have leaked inside the case.Good luck.Paul

Good Morning Fhaas153 Looking at a J-10 picture on eBay http://www.ebay.com/itm/VINTAGE-CASIO-J-10-ELECTRONIC-CALCULATOR-8-DIGIT-TESTED-/331587643662 , the picture of the rear says '1.5V battery x 2. Looking at this other shot http://www.casio-calculator.com/Museum/Calculator/FGHIJ/J-10/Casio-J-10-back.jpg It looks like there is a fairly clear Slide-to-Open Battery door at the top of the rear panel. Given the battery rating at 1.5 Volts and the door size, I'd suspect it'll take either AA or AAA batteries. You should be able to slide the door and look, and most battery compartments will have an indication of the specific cell. To be sure I'm covering both the what and the how, slide the door open. Remove old batteries if still there. Clean up contacts with a bit of fine steel wool if they are corroded or covered with old battery fuzz. Put new batteries in - negative end towards the coil springs generally. Replace sliding hatch. Hoping this covers what you're looking for! D

To use the log function, use the log key. To use the antilog function, use the antilog key by hitting shift first, and then the log key. For example, if we are trying to solve for n in the equation A=P(1+i)^n, where we have A, P and i, and want ot solve for n, we take the logs of both sides and we get log A = n log (1+i). To get n by itself, we divide both sides by log (1+i), we get n = log A /(log (1+i). Good luck, Paul

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The answer is correct. It is your understanding of priority of operations that is at fault. As written your expression is calculated as follows -2/2600 +10+3. To ensure that an expression is calculated as you want it, enclose parts of it in parentheses. See the screen capture below.

Assuming you meant "5 = (4x +27) * 3^-1", if you enter the values as "((5 * 3) - 27)/4", I'm sure the calculator can handle that.

This is a scientific calculator that can perform many operations on numbers but not on letter symbols. It does not have a Computer Algebra System.

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0CCQQFjACahUKEwj9n5Loo77IAhVHGh4KHR-ICvg&url=http%3A%2F%2Fwww.manualsdrive.com%2Fresults.php%3Flang%3Den%26search%3DCASIO%2520ML%252071&usg=AFQjCNFvRCmHG-xbbzZkCiBvJ3Cq Here is a manual.

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0CCQQFjACahUKEwj9n5Loo77IAhVHGh4KHR-ICvg&url=http%3A%2F%2Fwww.manualsdrive.com%2Fresults.php%3Flang%3Den%26search%3DCASIO%2520ML%252071&usg=AFQjCNFvRCmHG-xbbzZkCiBvJ3CqcFiJEA Here is a link to its manual, you can download a copy...

I assume you want an exponent. On this calculator you use the ^ key. For example, enter 3, enter ^, enter 3, = should give you 27. Let me know if you have any questions. Good luck. Paul

Shift log. Good luck. Let me know if you have any questions. Paul

It is used for calculating markup. For example, if you have an item at $100 and have a 20% markup, you get $120. http://support.casio.com/storage/en/manual/pdf/EN/004/MJ-100D_MJ-120D_EN.pdf

It is used to see the steps in memory. http://support.casio.com/storage/en/manual/pdf/EN/004/MJ-100D_MJ-120D_EN.pdf

I think this is a solar calculator. On many solar calculators, there isn't an off button. You just stop using it and after a set period of time (6 minutes for this calculator), it turns off by itself. Good luck. Paul

Read user's manual. Don't have one? Download it from here: http://support.casio.com/storage/es/manual/pdf/ES/004/fx100MS_115MS_570MS_991MS_ES.pdf http://ftp.casio.co.jp/pub/world_manual/edu/en/fx115MS_991MS_E.pdf http://ftp.casio.co.jp/pub/world_manual/edu/es/fx115MS_991MS_S.pdf Tutorial para calculadora CASIO fx 991MS