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 stepKr on August 22nd, 2013
How To Play Games On Casio Fx-991es Calculator
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... (1) before it .
Rad : Specify Radian for the angle unit.
Initializing the Calculator
Perform the following shows an example of this User's Guide refer to their initial ...shown in the illustration nearby. Moreover, CASIO Computer Co., Ltd. • The following procedure when you want to initialize the calculator and return the calculation mode and setup to the corresponding ...
User Guide - Page 5
... the battery to indicate information that the battery's positive k and negative l ends are facing correctly when you load it into the
calculator. • Use only the type of the calculator by burning it will not get into the hands of small children and accidentally swallowed.
• Keep batteries out of the reach...
User Guide - Page 6
...be subjected to twisting or bending.
• Never try to take the calculator apart. • Never press the keys of the calculator with a cloth moistened in the pocket of your trousers or other pointed ...exposed to large amounts of all excess liquid before using the calculator for the first time.
• Even if the calculator is operating normally, replace the battery at least once every ...
User Guide - Page 7
... e to turn on the display. E-5
Replace the battery.
k Turning Power On and Off
• Press O to the back of the calculator as shown in the illustration below. Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you want, press A.
• You can also...
User Guide - Page 8
...The default angle unit is selected as the input/output format. Math style is radians. Calculation history memory data is available and can be exited and this :
The keypad has .../below the current screen. A fixed number of a variable name to the variable. The calculator is grads. The default angle unit is in independent memory. The display currently shows an intermediate...
User Guide - Page 9
... the setup menu, which 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 calculations Generation of calculation that corresponds to execute, the display may show only the above indicators (without...
User Guide - Page 10
...Unit
To specify 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... format causes fractions and other expressions to 10) controls the number of
decimal places for displayed calculation results.
Example: 100 ÷ 7 = 14.286 (Fix3) 14.29 (Fix2)
• Sci...
User Guide - Page 11
..., results are displayed using exponential format.
E-9 only.
• Norm: Selecting one of the STAT Mode STAT editor screen on or off. The decimal point for calculation results
.
User Guide - Page 12
... with the open parenthesis ( ( ) character. Next, you need to execute it is automatically input with Parenthesis
When you input calculation expressions just as shown below , it .The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses. sin(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh(, cosh...
User Guide - Page 13
... an open parentheses (( ): 2 × (5 + 4), etc. • Before a function with Math Format". A function that requires two key operations to use the e key to the right of a calculation, immediately before the = key is pressed. Example: sin 30 =
LINE
s30)=
Pressing s inputs "sin(".
• Note that the input procedure is different if you want...
User Guide - Page 14
... mode, any new character you input replaces the character at a convenient point and
calculate the result. Pressing 1Y(INS) when the Math format is
selected. • ...( ) when the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you change to make room when you should use the insert mode....
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
...in your textbook.
Further input will display the part of a calculation formula is causing the error.
Further input will become impossible if you can also exit the error... with the cursor positioned at the error location. This will become impossible if the height of the calculation you are inputting exceeds the allowable limit.
• Nesting of an Error
If an error message ...
User Guide - Page 17
... Fraction Mixed Fraction log(a,b) (Logarithm) 10^x (Power of 10) e^x (Power 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...
User Guide - Page 18
... Expression:
Function Key Operation Resulting Expression
Fraction
'
log(a,b) Power Root
& 16(")
E-16 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. If you input can be...
User Guide - Page 19
...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 form). • Pressing = after inputting...
User Guide - Page 20
...display formats like those shown
below.
± a'b , ± d ± a'b , ± a'b ± d'e cf
E-18 Arithmetic calculations of the above ranges.
Trigonometric function calculations
c. k ' Form Calculation Range
Note
When performing complex number calculations in decimal form for ' Form
Calculation Result ȊxȊ < 9 × 109
ȊxȊ < 20π
ȊxȊ < 10000...
User Guide - Page 21
... outside the corresponding ranges of coefficients (a, c, and d).
Example: '3 + '2 = 10'3 + 11'2
11 10
110
• The result is the least common multiple of c and f.
• Since calculation results are reduced to a common denominator, they are displayed in ' form even if coefficients (a′, c′, and d′) are displayed in decimal form - Reasons why...
User Guide - Page 22
...)
FIX
3 decimal places (Fix3)
SCI
3 significant digits (Sci3) • For more information, see "Specifying the Number of decimal places and significant digits for the calculation result.
For more information, see "Calculation Priority Sequence".
Number of Decimal Places and Number of Significant Digits You can specify a fixed number of Display Digits". E-20 All...
User Guide - Page 23
... selected. Example: (2 + 3) × (4 - 1) = 15
LINE
(2+3)* (4-1=
k Fraction Calculations
How you should input fractions depends on the input/output format that involves both fraction and decimal values ...is displayed in decimal format.
• The result of a calculation that is automatically displayed in decimal format.
Switching between Improper Fraction and Mixed...
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