Casio FX-991ES Support Question
Casio FX-991ES Support Question
Find answers below for this question about Casio FX-991ES.Need a Casio FX-991ES manual? We have 2 online manuals for this item!
Question posted by carlosgonzalesfernandes on January 26th, 2013
I Live In Brazil. Can I But This Product By Internet/
How much does it coast? Is it possible to delivery here in Brazil?
Carlos, Curitiba-PR Brazil
Current Answers
Answer #1: Posted by tintinb on January 27th, 2013 12:27 PM
tintinb
Member since:
October 26th, 2012 Points: 7,056,560
Member since:
October 26th, 2012 Points: 7,056,560
The cost of Casio FX-991ES is $15.49 at Amazon.com. This product can be shipped international including Brazil. You can buy this product here:
Remember that you will need to sign up before you can purchase at Amazon.com.
If you have more questions, please don't hesitate to ask here at HelpOwl. Experts here are always willing to answer your questions to the best of our knowledge and expertise.
Regards,
Tintin
Related Casio FX-991ES Manual Pages
User Guide - Page 4
... shall CASIO Computer Co., Ltd. Specify the angle unit in accordance with it . Initializing the Calculator
Perform the following shows an example of how a key operation to select an on-screen menu ...it . • The following procedure when you should refer to the separate Appendix.
In this product and items that is indicated as key markings) shown in this User's Guide and the separate ...
User Guide - Page 5
... it in a safe place where it will not get into the
calculator. • Use only the type of battery specified for later reference. Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this calculator. Safety Precautions
Be sure to read the following safety precautions before using a battery can...
User Guide - Page 6
... expected battery life.
• Low battery power can cause discoloration or deformation of the calculator's case, and damage to internal circuitry.
• Avoid use thinner, benzene or other... clothing where it to and malfunction of battery life. Never use and storage of the calculator in areas subjected to large amounts of humidity or dust.
Handling Precautions
• Be sure...
User Guide - Page 7
...)c6(]CONT') This displays the contrast adjustment screen. Replace the battery. Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which ...the display. E-5
k Turning Power On and Off
• Press O to the back of the calculator as shown in the illustration below.
Important!
• If adjusting display contrast does not improve display readability...
User Guide - Page 8
... you press t. A fixed number of a variable name to the variable. The calculator is in effect. The calculator is standing by pressing the S key. The alpha input mode has been entered by... is radians. The default angle unit is more data above/below the current screen. Calculation history memory data is available and can be exited and this indicator will disappear when...
User Guide - Page 9
...only the above indicators (without any value) while it performs the calculation internally. Calculation Modes and Calculator Setup
k Calculation Modes
When you want to perform this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix...
User Guide - Page 10
... this: Number of Decimal Places Number of Significant Digits
Exponential Display Range
Perform this key operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2)
Calculation Result Display Examples • Fix: The value you specify (from 0 to 9) controls the number of significant digits for information about how to be displayed in...
User Guide - Page 11
... always a dot ( ).
• Norm: Selecting one of the STAT Mode STAT editor screen on or off. The decimal point for input values is applied for calculation results
. Outside the specified range, results are displayed using exponential format.
User Guide - Page 12
...: COMP MthIO Deg Norm1 d/c a+bi OFF Dot
• To cancel initialization without doing anything, press A(Cancel) instead of the functions shown below, it .The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses. Next, you input any of =.
sin(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh...
User Guide - Page 13
... use the e key to input (like 1s(sin-1)) also uses only one byte.
Displaying a Long Expression The display can input up to 99 bytes of a calculation, immediately before the = key is different if you want to 14 characters at the end of data for a single expression. Inputting the 15th character causes...
User Guide - Page 14
... on the display screen.
The cursor is a horizontal flashing line ( ) when the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you input replaces the character at a convenient point and...
User Guide - Page 15
... correct the expression 369 × × 12 so it becomes
369 × 12 LINE Insert Mode:
369**12
dd
Y Overwrite Mode:
369**12
ddd
Y
Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode:
c60)
dddY
s Overwrite Mode:
c60)
dddd
s Inserting Input into...
User Guide - Page 16
...= Use the insert mode for the following operation. You can cause the height of a calculation formula to be greater than one display line.
k Inputting with Math Format
When inputting with ...
This is two display screens (31 dots × 2). Further input will display the part of the calculation where the error occurred, with Math format, you press =, press d or e.
Example: When you ...
User Guide - Page 17
...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) E 6 16(") 7 17(F) 1&(8) 1w(Abs) ( or )
Bytes 9 13 6 4 4 4 9 4 5 4 9 8 6 8 4 1
Math Format Input Examples • The following operations are...
User Guide - Page 18
...
1Y(INS)
This changes the shape of 1 + (2 + 3) + 4 into the function specified here. Example 3: To input (1 + 2 )2 × 2 =
5
MATH
Math
(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you can be used in the above procedure, and the required key operations to use them.
Math
!
If you need to...
User Guide - Page 52
... of squares of the X-data Sum of the X-data Sum of squares of the Y-data Sum of the Y-data Sum of products of the X-data and Y-data Sum of cubes of the X-data Sum of (X-data squares × Y-data) Sum of ... value of the Y-data
4maxY Maximum value of the Y-data
E-50
Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression is selected as the statistical...
User Guide - Page 56
Appendix
Calculate 12 + 12 in octal. Transform the result of 510 + 516 to input this:
1(and)
Logical operator "and" (logical product), which returns the result of a bitwise AND
2(or)
Logical operator "or" (logical sum), which returns the result of a bitwise OR
3(xor)
Logical operator "xor" (exclusive ...
User Guide - Page 65
..."
7Dot
Input the " • " command for obtaining the dot product of One Matrix to Another Matrix" for more information, see "Rules for "VctAns".
• You cannot edit the contents of the last vector calculation.
The vector copy operation is subject to the vector calculation screen, press A. Copying the Contents of One Vector to...
User Guide - Page 66
... 26: molar volume of ideal gas; 27: molar gas constant; 28: speed of light in scientific calculations. Appendix
Store VctA = (1, 2) and VctC = (2, -1, 2). Copy VctA = (1, 2) to...Scalar Multiplication)
VctB - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot Product) VctA × VctB (Vector Cross Product) Obtain the absolute values of gravitation; 40: ...
User Guide - Page 68
...etc.) 9. Enclosing an operation within parentheses causes it to temporarily store lower calculation priority sequence values, commands, and functions.The numeric stack has 10 levels and... same priority (Priority 8), so these operations are performed from left to input: (-2)2. Fractions: ab/c
4. Dot product: • (Dot) 8. Prefix symbol: (-) (negative sign) d, h, b, o (base n symbol)
...
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