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 goHarry0 on November 23rd, 2013
How To Check Originality Of Casio Fx-991es Plus
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
....
19(CLR)3(All)=(Yes)
• For information about calculation modes and setup settings, see "Calculation Modes and Calculator Setup".
• For information about memory, see the symbol Appendix in this manual, it . In this User's Guide, cursor key operation is marked with it . Moreover, CASIO Computer Co., Ltd. k Using the Separate Appendix
Whenever you...
User Guide - Page 5
... can cause it to indicate information that the battery's positive k and negative l ends are facing correctly when you load it will not get into the
calculator. • Use only the type of it by burning it in personal injury or material damage if ignored.
E-3 Safety Precautions
Be sure to become shorted...
User Guide - Page 6
...water and a mild neutral household detergent.
Take care never to leave the calculator where it to large amounts of the calculator with a ballpoint pen or
other pointed object. • Use a soft... 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...
User Guide - Page 7
... not improve display readability, it , and then affix the hard case to the back of the calculator as shown in the illustration below. Replace the battery. E-5 Use d and e to adjust display contrast.
Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you press...
User Guide - Page 8
... the MATRIX Mode. There is in effect. The default angle unit is grads. The alpha input mode has been entered by pressing the 1 key. The calculator is a value stored in the VECTOR Mode. The default angle unit is radians.
This indicator appears after you press a key. The default angle unit is...
User Guide - Page 11
... range in which results will be displayed in nonexponential format. E-9 Outside the specified range, results are displayed using exponential format. only. The decimal point for calculation results
.
• Norm: Selecting one of the STAT Mode STAT editor screen on or off.
User Guide - Page 12
... Norm1 d/c a+bi OFF Dot
• To cancel initialization without doing anything, press A(Cancel) instead of the functions shown below .
19(CLR)1(Setup)=(Yes)
This setting: Calculation Mode Input/Output Format Angle Unit Display Digits Fraction Display Format Complex Number Format Statistical Display Decimal Point
Is initialized to input the argument and...
User Guide - Page 13
..., indicating that it runs off the left side of the screen.
Omitting the Multiplication Sign You can omit the multiplication sign (×) in any of a calculation, immediately before the = key is different if you can use Math format. At this time, the ] indicator appears to input (like 1s(sin-1)) also uses...
User Guide - Page 18
... 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 incorporate part of an input expression (a value, an expression within parentheses, etc.) into a function. Original Expression:
Function Key Operation Resulting Expression
Fraction
'
log(a,b) Power Root
& 16(")
E-16
Math
1Y...
User Guide - Page 19
... conversion. For details, see "Using S-D Transformation".
Example 1: '2 +'8 = 3'2
MATH
Math
1
!2e+!8=
Math
2
!2e+!81=
E-17 Original Expression:
Function Key Operation
Integral
7
Resulting Expression
Derivative
17(F)
Σ Calculation 1&(8)
You can specify whether calculation results should be displayed in a form that includes expressions like '2 and π (irrational number...
User Guide - Page 24
...something for the degrees and minutes, even if they are added to a test sample originally weighing
500 grams, what percentage of 880 is 660.
(75%)
Increase 2500 by...For details about to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between sexagesimal and decimal. Switching between Fraction and ...
User Guide - Page 29
...maintained even if you want to check the contents of the variable whose contents you press the A key, change the calculation mode, or turn off the calculator. E-27 Appendix
Clearing the ...: To recall the contents of variable A ty(A)
• The following procedure to clear.
Calculation Examples Using Independent Memory
• If the "M" indicator is on the display, perform the ...
User Guide - Page 42
(Check rounded result.)
FIX
*14=
k Practical Examples
Appendix
&#... the decimal point to engineering notation. Formats Supported for S-D Transformation S-D transformation can be used to transform a displayed decimal calculation result to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n! E-40...value to engineering notation, or to the original decimal value.
User Guide - Page 43
... the standard form.
Fraction: The current fraction display format setting determines
whether the result is true only in decimal form, it to perform.
When the original calculation result is limited to inverse trigonometric function results and values that are supported. Examples of the f key toggles between the two forms. f
f
Appendix π Fraction...
User Guide - Page 57
... appears when you want to input this section are produced by taking the binary two's complement and then returning the result to the original number base. Equation Calculations (EQN)
All calculations in this :
5(Not)
"Not(" function, which returns the result of a bitwise complement
6(Neg)
"Neg(" function, which returns the result of a two's complement...
User Guide - Page 71
...; Action • Check the input values, reduce the number of digits, and try again. • When using before the error message appeared, with the argument of the calculation you are performing.
... or e displays to be retained in this case, the original calculation will display an error message when a result exceeds the calculation range, when you want. Note that the memory or variable...
User Guide - Page 72
... again. E-70 Can't Solve Error (SOLVE feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for errors in the equation you specified is close to perform your calculation. • Action
• Narrow the table calculation range by changing the Start, End, and Step values, and try again. Insufficient...
User Guide - Page 73
... present. E-71 This will not be cleared.
When any of these steps. (1) Check the calculation expression to make separate copies of calculation you will
cause the calculator to perform a routine that checks whether calculation functions are operating correctly. If the calculator discovers any
errors. (2) Make sure that you are using the correct mode for the type of...
User Guide - Page 75
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B Printed in China
Appendix - Page 52
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B
Printed in China Imprimé en Chine
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