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 dugpc on April 8th, 2014
Who To Use Casio Fx-991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... Separate Appendix
Whenever you see "Using Calculator Memory". Specify the angle unit in accordance with the marks in connection with it means you want to initialize the calculator and return the calculation mode and setup to their initial default settings.
Moreover, CASIO Computer Co., Ltd. be liable for any claim of this User's Guide and...
User Guide - Page 5
Battery
• After removing the battery from the calculator, put it in
this calculator in a safe place where it . Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual handy for this manual. E-3 Keep this calculator.
Doing so can result in personal injury or material damage if ignored. If accidentally...
User Guide - Page 6
... shipment and storage. Such conditions can cause memory contents to large amounts of the calculator. Never use and storage of the calculator in a weak solution 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 three years. Avoid carrying...
User Guide - Page 7
... display contrast does not improve display readability, it probably means that battery power is the way you want, press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it, and then affix the hard case to the back of the...
User Guide - Page 9
... executed and displayed.
c
f
E-7 Select 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 the mode you can use to execute, the display may show only the above...
User Guide - Page 10
...LineIO)
• Math format causes fractions, irrational numbers, and other expressions to use "]CONT'". Specifying the Input/Output Format
For this input/output format: Math ...Linear
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 the specified digit before being...
User Guide - Page 11
... number format:
Rectangular Coordinates 1Nc3(CMPLX)1(a+bi)
Polar Coordinates
1Nc3(CMPLX)2(r∠θ)
Specifying the Statistical Display Format
Use the following procedure to turn display of the frequency (FREQ) column of the two available settings (Norm1, Norm2... values is always a dot ( ).
The decimal point for calculation results
. Outside the specified range, results are displayed...
User Guide - Page 12
Example: 2 (5 + 4) - 2 × (-3) =
LINE
2(5+4)2*y3=
Inputting a Function with the open parenthesis ( ( ) character.
Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you input any of =.
sin(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh(, cosh(, tanh(, sinh-1(, cosh-1(, tanh-1(, log(, ln(, e^(, 10^(, '(, 3'(, Abs(, Pol(,...
User Guide - Page 13
... time, the ] indicator appears to 14 characters at the end of data for a single expression.
A function that requires two key operations to use the e key to 99 bytes of a calculation, immediately before the = key is pressed. Omitting the Multiplication Sign You can input up to the left .
Input expression: 1111 + 2222 + 3333...
User Guide - Page 14
...expression at the current cursor position.The initial default input mode is insert.You can only use depends on the display screen. See "Incorporating a Value into a Function" for Linear format... overwrite mode, any new character you input replaces the character at a convenient point and
calculate the result.
The cursor is a horizontal flashing line ( ) when the overwrite mode is selected....
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
...
If an error message (like "Math ERROR" or "Syntax ERROR") appears when you press =, press d or e.
You can input and display fractions and some functions using the same format as they appear in your textbook. k Displaying the Location of the calculation you input 14 ÷ 0 × 2 = by pressing A, which clears the...
User Guide - Page 17
...e^x (Power of the cursor on the
display when you input using Math format.
Functions and Symbols Supported for Math Format Input
•... 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...
User Guide - Page 18
...(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you can incorporate part of the expression you need to use them. Incorporating a Value into the ' function
MATH
Math
Move ...INS)
This changes the shape of 1 + (2 + 3) + 4 into a Function When using Math format, part of an input expression (a value, an expression within parentheses, etc.) into a...
User Guide - Page 19
...8226; π form (form that includes expressions like '2 and π (irrational number form). • Pressing = after inputting a calculation displays the result using
irrational number form. • Pressing 1= after inputting a calculation displays the result
using decimal values. Example 1: '2 +'8 = 3'2
MATH
Math
1
!2e+!8=
Math
2
!2e+!81=
E-17 Note
• When "LineIO" is selected...
User Guide - Page 20
... symbols can be displayed in the CMPLX Mode, the following conditions apply respectively to two terms
(an integer term is always used for display of trigonometric calculation results. Complex number Abs calculations
d. Arithmetic calculations of the above ranges. Angle Unit Setting Deg Rad
Gra
Angle Value Input
Units of 15°
Multiples
of
1 12...
User Guide - Page 25
... 3 × 3 LINE
3+3S7(:)3*3
Disp
=
"Disp" indicates this is displayed toggles the value between Sexagesimal and Decimal Pressing e while a calculation result is an intermediate result of a multi-statement.
=
E-23 Using Multi-statements in Calculations
You can use the colon character (:) to connect two or more expressions and execute them in sequence from left to its...
User Guide - Page 26
... on the display, you can display the expression by pressing d or e, without pressing A first. When the calculation you used for the new calculation. Modes that calculation history memory contents are cleared whenever you turn off the calculator, press the O key, change to the calculation mode or the input/output format, or perform any reset operation.
•...
User Guide - Page 36
... large error in obtained integration values and errors may be performed in the COMP Mode only. • The integration result will interrupt an ongoing integration calculation.
Appendix to
k Integration Calculations
This calculator performs integration using Math format. • There may occur due to take more time. Appendix to
*1 A base of 10 (common logarithm) is...
User Guide - Page 40
... functions can be integers in the same modes as the trigonometric functions.
Appendix Generate three 3-digit random numbers.
n and r must be used in the range of a stand-alone operation, the calculation is performed using only the first value (either the r-value or the X-value) produced by the conversion. E-38 Appendix (5 + 3)! = 40320
Absolute Value...
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