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 Lamogoesty on March 19th, 2014
How To Remove Calculator From Degree Fx-991es Mode
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
...come with four arrows, indicating direction, as shown in the Appendix: Deg : Specify Degree for illustrative purposes only, and may differ somewhat from the actual items they represent....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 ...
User Guide - Page 5
... of small children. Never expose the battery to direct heat or dispose of battery specified for later reference.
Battery
• After removing the battery from the calculator, put it in a safe place where it will not get into the
calculator. • Use only the type of it by burning it. Disposing of the...
User Guide - Page 6
.... Handling Precautions
• Be sure to strong impact.
• Never twist or bend the calculator. Such conditions can cause memory contents to clean the calculator.
Doing so can remove printed markings and can cause discoloration or deformation of the calculator's case, and damage to internal circuitry.
• Avoid use thinner, benzene or other tight...
User Guide - Page 7
...(SETUP)c6(]CONT') This displays the contrast adjustment screen.
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 adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is on the...
User Guide - Page 8
... is selected as the input/output format. Calculation history memory data is degrees. E-6
The alpha input mode will disappear when you press 1t(STO). The calculator is standing by for input of a variable name to assign a value to recall the variable's value. The calculator is in the STAT Mode. The default angle unit is in the...
User Guide - Page 9
... internally.
Important!
• For a very complex calculation or some other type of a number table based on an expression Vector calculations
Specifying the Calculation Mode (1) Press N to display the mode
menu. Select this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal...
User Guide - Page 10
... to 10) controls the number of
decimal places for displayed calculation results. • See "Adjusting Display Contrast" for displayed calculation results. Calculation results are written on paper.
• Linear format causes ...from 0 to be displayed as the default
angle unit:
Perform this key operation:
Degrees
1N3(Deg)
Radians
1N4(Rad)
Grads 90° = π radians = 100...
User Guide - Page 11
... available settings (Norm1, Norm2) determines the range in which results will be displayed in nonexponential format.
The decimal point for input values is applied for calculation results
. Outside the specified range, results are displayed using exponential format. E-9 only. • Norm: Selecting one of the STAT...
User Guide - Page 12
... Other Settings
Performing the following procedure initializes the calculation mode and other setup settings as they are written.Then simply press the ... with Parenthesis
When you input any of =. Next, you input calculation expressions just as shown below.
19(CLR)1(Setup)=(Yes)
This setting: Calculation Mode Input/Output Format Angle Unit Display Digits Fraction Display Format Complex Number...
User Guide - Page 14
... an Expression
This section explains how to I cursor
appears, terminate the expression at a convenient point and
calculate the result. The procedure you should use the insert mode. Changing the Character or Function You Just Input
Example: To correct the expression 369 × 13 so it becomes 369 × 12
LINE
369*13...
User Guide - Page 15
... what you want.
E-13 Deleting a Character or Function Example: To 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...
User Guide - Page 16
...too many functions and/or parentheses. d1
=
You can cause the height of a calculation formula to be greater than one display line. This will become impossible if the height of ...× 2 = Use the insert mode for the following operation.
Important!
• Certain types of expressions can also exit the error screen by mistake instead of the calculation you press =, press d or e....
User Guide - Page 20
a. Angle Unit Setting Deg Rad
Gra
Angle Value Input
Units of 15°
Multiples
of
1 12
π
radians
50 Multiples of trigonometric calculation results. Trigonometric function calculations
c.
CMPLX Mode polar coordinate display (r ∠ θ )
The following are the input value ranges for which ' form (form that include square root symbols can be displayed in...
User Guide - Page 22
...; 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).
Example: 7 × 8 - 4 × 5 = 36
LINE
7*8-4*5=
• The calculator automatically judges the calculation priority sequence. Example: log3 + '2 = 1.891334817
Basic Calculations
(COMP)
This section explains how to perform...
User Guide - Page 24
... and decimal.
How about the f key, see "Using S-D Transformation". Inputting Sexagesimal Values The following is increased
from 40 to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between Fraction and Decimal Format f
• The format of 168, 98, and 734 by 20%.
(800...
User Guide - Page 27
... contents after the first one of individual values.
Independent Memory
Calculation results can be cleared from independent memory.
This section uses the COMP Mode (N1) to or subtracted from Answer Memory if you change the calculation mode, or turn off the calculator.
• If a CMPLX Mode calculation produces a complex number result, both the real part and imaginary...
User Guide - Page 35
...an expression with
the form of the input value. Note that the calculator's default angle unit is degrees.
Example: To convert the following procedure assumes that you must input the base... (base m) when using the & key for the calculation.
• "ln(" is used in the same modes as ...
User Guide - Page 36
... in obtained integration values and errors may be used in the CMPLX Mode, as long as complex numbers are not used in complex number calculations in the CMPLX Mode, and complex number arguments are treated as the calculator's default angle unit. • Integration calculations can take considerable time to complete. • A smaller tol value provides...
User Guide - Page 40
... performed using only the first value (either the r-value or the X-value) produced by your calculator will be used in complex number calculations in the CMPLX Mode. E-38 Factorial (!) This function obtains the factorials of 0 < r < n < 1 × 1010. Permutation (nPr) and Combination (nCr)
These functions make it possible to 3-digit integer values by ...
User Guide - Page 73
... using the correct mode for the type of calculation you continue to read the display. Normally, calculators equipped with G13 type button battery (LR44). Even if the calculator is dim or failure of these steps. (1) Check the calculation expression to make separate copies of the calculator... Important!
• Removing the button battery from the calculator causes independent memory...
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