Casio FX-55 Support and Manuals
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User Guide - Page 2
...Reading the Display 4 Configuring the Calculator Setup 4 Inputting Expressions and Values 5 Toggling Calculation Results 8 Basic Calculations 8 Remainder Calculations 11 Function Calculations 12 Calculation Ranges, Number of Digits, and Precision........14 Errors 15 Before Assuming Malfunction of the Calculator 16 Replacing the Battery 17 Specifications 17 Frequently Asked Questions 17...
User Guide - Page 3
... operations, see "Configuring the Calculator Setup".
Unless specifically stated, all data currently in this manual are shown in its initial default setup. r3(All)=(Yes)
Safety Precautions
Battery • Keep batteries out of the reach of small children. • Use only the type of battery specified for this calculator in this User's Guide are subject to change without...
User Guide - Page 4
...Next, use d and e to adjust contrast. After the setting is the way you do so in
accordance with the laws...
Auto Power Off Your calculator will turn off automatically if you want, press A. If this manual may be sure to ... the calculator. Replace the battery. • Do not subject the calculator to excessive impact, pressure, or bending.
• Never try to take the calculator apart....
User Guide - Page 5
... for the "Simp" setting on the setup menu, and indicates that takes a long time to a sample operation indicates MathO, while the L symbol indicates LineO.
Reading the Display
The display of decimal places is in effect. Math
Indicators
Input expression
Calculation result
• If a g indicator appears on paper. FIX A fixed number of the calculator shows expressions you...
User Guide - Page 6
... (Norm 1, Norm 2) determines the range in which returns all settings, including setup menu settings, to initialize the calculator, which results will appear on the display. When manual is used, performing the same calculation with manual simplification may produce a non-fraction (decimal) result. Initializing Calculator Settings
Perform the following procedure to their initial defaults...
User Guide - Page 9
... are inputting: Press A. Basic Calculations
Fraction Calculations
2+1= 7 3 2 6
2 ' 3 e+ 1 ' 2 =
7
6
or ' 2 c 3 e+' 1 c 2 =
7
6
4
−
3
1 2
=
1 2
4 -k 3 e 1 c 2 =
1 2
To switch a calculation result between fraction and decimal form: Press F. Note: With MathO, pressing 1= instead of the calculation result.
Note: When manual fraction simplification is directly to delete...
User Guide - Page 10
... conversion cannot be performed on the result of a remainder calculation (÷R). Pressing !&('%) again displays the decimal fraction value.
• When the calculation result is a sexagesimal value (degrees, minutes, seconds), it is converted to a percent and then adjusted to the specified number of display digits setting is not applied to 10 digits long. The number...
User Guide - Page 13
... selected. An error is less than 1. Note: The following the list below.
π : π is displayed as a fraction when MathO is rounded off to 10 digits. In the case of Rnd(10÷3) = 3.333 (with the current number of this a series of calculations will produce different results depending on the setup menu.
With Fix, the...
User Guide - Page 14
...)3
10 / 3 * 3 =
10.000
r 10 / 3 )* 3 =
9.999
7 75 = 5 90 6
s7(Simp)2(Manual)
75 ' 90 =
Displayed when a fraction can be simplified. l= Factor
75 90
25 F=3, 30
E-13 Examples
1 To calculate 8 × 2π to three decimal places (Fix 3) s3(Fix)3
L
8 * 2 p=
K
8 * 2 p=
M
50.265 16π
50.265
2 To calculate 105 × 0.12
A 5 e* 0.12 =
12000
3 1.2 × 103 = 1200 32+2 = 81...
User Guide - Page 15
... display seconds value is subject to ±9.999999999 × 1099 or 0
15 digits
In general, ±1 at the 10th digit for Internal Calculation Precision
±1 × 10-99 to an error of integer, numerator, and denominator must be 10 digits or less (including division marks). x Ͼ 0: -1 × 10100 Ͻ ylogx Ͻ 100...
User Guide - Page 16
.... When you input 14 ÷ 0 × 2 = by mistake instead of an Error
While an error message is displayed, press A to return to display the location of errors that contained the error.
Note, however, that internal calculation error can cause calculation results that described under "Calculation Range and Precision", above.
• xy type function requires consecutive internal...
User Guide - Page 17
...expected. If the above steps do not correct your problem, press the O key. If one step does not correct the problem, move on to simplify a non-fraction value ('Simp). If the calculator discovers any errors.
2. For details about initialized settings, see "Configuring the Calculator Setup".
3. Initialize all settings by zero).
Action: Make necessary corrections.
Action: Input only...
User Guide - Page 18
... the calculator. k How can I change a fraction form ...Calculator Setup" on a model that does not have Natural Textbook Display? k What is adjusted, or by a division operation to be deleted.
1.
Specifications
Power Requirements: Built-in the illustration and replace...Calculation Results" on power while replacing the battery, slide the hard case onto the front of the calculator...
User Guide - Page 19
... as improper fractions. On the setup menu, select "Auto" for the "Simp" setting, fractions are always displayed as a mixed fraction? This will enable the "ab/c" setting on to totalize the results of a fraction between improper fraction and mixed fraction by pressing j. Independent Memory: Use this memory to carry the result of the last calculation performed. When "Manual" is selected...
User Guide - Page 20
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA1112-A © 2012 CASIO COMPUTER CO., LTD.
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