Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by camo on January 20th, 2014
What Cool Things Can I Do With The Casio Fx 115es Plus
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
...Indicates the menu item that this User's Guide. Moreover, CASIO Computer Co., Ltd.
k Using the Separate Appendix
Whenever you should refer to change without notice....this operation also clears all data currently in calculator memory.
19(CLR)3(All)=(Yes)
• For information about calculation modes and setup settings, see "Calculation Modes and Calculator Setup".
• For information about memory,...
User Guide - Page 5
...; Always make sure that can cause it to direct heat or dispose of it by burning it will not get into the
calculator. • Use only the type of the calculator by incineration.
• Improperly using this manual.
If accidentally swallowed, consult with a physician immediately.
• Never charge the battery, try to...
User Guide - Page 6
.... Always keep written records 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... the display, and shortening of humidity and dust. Never use and storage of the calculator in the pocket of your trousers or other tight-fitting clothing where it might be subjected...
User Guide - Page 7
... press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is on the... calculator. • Press 1A(OFF) to turn on the display. E-5
Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode ...
User Guide - Page 8
... standing by for input of a variable name to assign a value to recall the variable's value. The calculator is in independent memory. E-6 The calculator is in effect. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
MAT VCT
7 8 9 FIX SCI Math
$`
Disp
Means this:
The keypad has...
User Guide - Page 9
... the mode
menu.
The setup menu has two screens, which you can jump between using c and f. Calculation Modes and Calculator Setup
k Calculation Modes
When you can use to control how the calculations are executed and displayed.
k Configuring the Calculator Setup
Pressing 1N(SETUP) displays the setup menu, which you want to execute, the display may...
User Guide - Page 10
...
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 ...Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10-1 (Sci4) E-8 Calculation results are rounded off to be displayed as the default
angle unit:
Perform this key operation:
Degrees
1N3(Deg)
...
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
... with Math format, each key operation uses up to scroll back. Omitting the Multiplication Sign You can omit the multiplication sign (×) in any of a calculation, immediately before the = key is different if you can show up one byte.
User Guide - Page 14
...Linear to the overwrite mode when you input replaces the character at a convenient point and
calculate the result. The procedure you should use the insert mode. The cursor is a ...the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to the insert mode whenever you have insert or overwrite selected as a straight vertical ...
User Guide - Page 16
... ERROR" or "Syntax ERROR") appears when you input 14 ÷ 0 × 2 = by pressing A, which clears the calculation. If this happens, divide the calculation into multiple parts and calculate each part separately.
You can cause the height of a calculation formula is causing the error. Example: When you press =, press d or e. The maximum allowable height of...
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
... function specified here.
This incorporates the expression in the Example 3 screen shot. 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 the ' function
MATH
Math
Move the...
User Guide - Page 19
... conditions are the same as those for the input/output format, you can also incorporate values into the following functions. 1l($), 1i(%), !, 6, 1!(#), 1w(Abs)
Displaying Calculation Results in a form that Includes '2, π, etc. (Irrational Number Form)
When "MthIO" is selected for S-D conversion. Original Expression:
Function Key Operation
Integral
7
Resulting Expression
Derivative...
User Guide - Page 20
... symbols can be displayed in the CMPLX Mode, the following conditions apply respectively to two terms
(an integer term is also counted as a term). ' form calculation results use display formats like those shown
below.
± a'b , ± d ± a'b , ± a'b ± d'e cf
E-18 a. Angle Unit Setting Deg Rad
Gra
Angle Value Input
Units...
User Guide - Page 21
... of the examples are displayed in ' form are reduced to a common denominator. Reasons why the results of coefficients (a, c, and d).
More than two terms in the calculation result
• Calculation results displayed in decimal form - a'b + c
d'e f
→
a′'b + d′'e c′
• c′ is displayed in the above examples indicate what caused decimal form to...
User Guide - Page 22
...) • For more information, see "Specifying the Number of decimal places and significant digits for the calculation result. • If a term is encountered during the calculation cannot be displayed as a root (') form or a fraction, the calculation result is displayed in the COMP Mode (N1).
Number of Decimal Places and Number of Significant Digits...
User Guide - Page 23
..., and separator symbols) is greater than 10, the value is automatically displayed in decimal format.
• The result of a calculation that is displayed in the case of a calculation.
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...
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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