Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by aketspe on May 4th, 2014
How Do You Do Store Memory On A Scientific Calculator-casio Fx991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... • In no event shall CASIO Computer Co., Ltd. • The following procedure when you want to initialize the calculator and return the calculation mode and setup to their initial ...Rad : Specify Radian for the angle unit. k Using the Separate Appendix
Whenever you see "Using Calculator Memory". Specify the angle unit in accordance with the marks in this product and items that come with...
User Guide - Page 5
..., creating the risk of battery specified for later reference.
Keep this calculator. Never expose the battery to direct heat or dispose of it by burning it will not get into... that can result in a safe place where it . Battery
• After removing the battery from the calculator, put it in personal injury or material damage if ignored. Safety Precautions
Be sure to read the following safety...
User Guide - Page 6
... areas subjected to temperature extremes. Such conditions can damage internal circuitry.
• Never drop the calculator or otherwise subject it may require replacement sooner than the normal expected battery life.
• Low battery power can cause memory contents to become corrupted or lost completely.
Always keep written records of all excess liquid...
User Guide - Page 8
... appears after you press t. Calculation history memory data is available and can be exited and this indicator will disappear when you press a key. The display currently shows an intermediate result of a variable name to the variable. There is standing by for input of a multi-statement calculation. The calculator is a value stored in the CMPLX Mode...
User Guide - Page 17
...; The "Bytes" column shows the number of bytes of memory that are all performed while Math format is
selected. • Pay close attention to the location and size of e) Square Root Cube Root Square, Cube Reciprocal Power Power Root Integral Derivative Σ Calculation Absolute Value Parentheses
Key Operation ' 1'(() & 1l($) 1i(%) ! 1!(#) w, 1w(x3...
User Guide - Page 26
...: COMP (N1), CMPLX (N2), BASE-N (N4)
Recalling Calculation History Memory Contents Press f to back-step through calculation history memory contents. If you are performing causes calculation history memory to become full, the oldest calculation is limited. When the calculation you turn off the calculator, press the O key, change to the calculation mode or the input/output format, or perform any...
User Guide - Page 27
... contents are maintained even if you press the A key, change to or subtracted from Answer Memory if you can be cleared from independent memory.
Using Calculator Memory
Memory Name
Description
Answer Memory Stores the last calculation result obtained. Answer Memory can be used for storage of 3 × 4 by 30
LINE
3*4=
(Continuing)/30=
Pressing / automatically inputs "Ans...
User Guide - Page 28
... than zero stored in the upper left of the expression from independent memory.
To do this:
Add the displayed value or result of the expression to independent memory
Subtract the displayed value or result of the display when there is a summary of the different operations you press the A key, change the calculation mode, or...
User Guide - Page 29
... the contents of the variable whose contents you want to clear the contents of Answer Memory, independent memory, and all of All Memories
Use the following shows how you press the A key, change the calculation mode, or turn off the calculator. To clear the contents of variable A, for the name of variable B Sy(A)*Se(B)=
•...
User Guide - Page 59
...under the names "MatA", "MatB", and "MatC" in matrix memory.
All calculations in this section are stored in Matrix Memory
(1) In the MATRIX Mode, press 14(MATRIX)1(Dim). •...for configuring dimension settings. k Creating and Managing a Matrix Creating a Matrix and Storing It in a special Matrix Answer Memory named "MatAns". The actual number of solutions depends on the equation.
• ...
User Guide - Page 60
..., see "Rules for "MatA".
(4) Use the matrix editor screen to input each of matrix calculations. To specify this destination: Matrix A Matrix B Matrix C
Press this procedure from step (1).
... to Matrix B, and displays the matrix editor screen for Matrix B.
Matrix Answer Memory Screen The Matrix Answer Memory (MatAns) screen shows the results of the elements into the matrix. •...
User Guide - Page 61
... that appears when you can press an
arithmetic operator key (like + or -) and use the screen contents in a subsequent calculation, just as with Answer Memory contents. • You cannot edit the contents of a cell. • To switch to MatB = -1 2 .
• The following are the menu items on the matrix menu ...
User Guide - Page 63
... assigned to the variable or stored in independent memory).
• Only variable X can be used as the variable of a function. • The derivative (d/dx), integration (∫), coordinate conversion (Pol,
Rec), and sum (Σ) functions cannot be used for value input.
• You can specify either values or calculation expressions (which
must produce a numeric...
User Guide - Page 64
....
(2) Press a number key (1, 2, or 3) to specify the name of the vector you want to use the number table screen for "VctA". All calculations in this section are stored in vector memory. E-62 Note
• Certain functions and Start, End, Step value combinations can save vectors under the names "VctA", "VctB", and "VctC" in...
User Guide - Page 65
... information. Copying the Contents of One Vector to Another Vector You can copy the contents of Vector Answer Memory (VctAns) or of the last vector calculation. k Performing Vector Calculations
To perform a vector calculation, display the vector calculation screen by pressing the A key. Select this :
1Dim
Select a vector (VctA, VctB, VctC) and specify its dimension
2Data...
User Guide - Page 66
...scientific calculations. Copy VctA = (1, 2) to VctB and then edit Vector B to recall. Input the two-digit number that corresponds to both A and B = (A × B) A × B
Scientific Constants
Your calculator... Appendix
Store VctA = (1, 2) and VctC = (2, -1, 2). VctA + VctB (Vector Addition) 3 × VctA (Vector Scalar Multiplication)
VctB - 3 × VctA (Calculation example...
User Guide - Page 68
... to temporarily store lower calculation priority sequence values...÷ (2i) = -
1
i
2
k Stack Limitations
This calculator uses memory areas called stacks to input: (-2)2. This is because x2 is a function...calculation results.
Multiplication and division: ×, ÷
Multiplication where sign is omitted: Multiplication sign omitted immediately before π, e, variables, scientific...
User Guide - Page 71
...).
• Action • Check the input values, reduce the number of digits, and try again. • When using independent memory or a variable as the argument of a function, make sure that in calculation history memory. Syntax ERROR
• Cause • There is within the allowable range for the function. For more parts.
Stack ERROR...
User Guide - Page 72
• Action • Make necessary corrections.
E-70
Can't Solve Error (SOLVE feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for errors in the equation that is not enough memory to the expected solution
and try again.
Insufficient MEM Error • Cause
• There is close to...
User Guide - Page 73
... are not what you turn on to read the display. Important!
• Removing the button battery from the calculator causes independent memory contents and values assigned to variables to be able to use the calculator as long as there is low. Note that combines a solar cell with a solar cell alone can operate only...
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