Related Manuals for Casio FX-55 PLUS
Summary of Contents for Casio FX-55 PLUS
- Page 1 PLUS User’s Guide CASIO Worldwide Education Website http://edu.casio.com CASIO EDUCATIONAL FORUM http://edu.casio.com/forum/...
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Page 2: Table Of Contents
Contents Important Information ..............2 Sample Operations ..............2 Initializing the Calculator ............2 Safety Precautions ..............2 Handling Precautions ...............2 Removing the Hard Case ............3 Turning Power On and Off ............3 Adjusting Display Contrast .............3 Key Markings ................3 Reading the Display ..............4 Configuring the Calculator Setup ...........4 Inputting Expressions and Values ..........5 Toggling Calculation Results ..........8 Basic Calculations ..............8... -
Page 3: Important Information
• The contents of this manual are subject to change without notice. In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, • collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of this product and items that come with it. -
Page 4: Removing The Hard Case
• Do not subject the calculator to excessive impact, pressure, or bending. • Never try to take the calculator apart. • Use a soft, dry cloth to clean the exterior of the calculator. • Whenever discarding the calculator or batteries, be sure to do so in accordance with the laws and regulations in your particular area. -
Page 5: Reading The Display
Reading the Display The display of the calculator shows expressions you input, calculation results, and various indicators. Indicators Math Input expression Calculation result If a g indicator appears on the right side of the input expression, it means • the displayed calculation continues to the right. Use e and d to scroll the input expression display. -
Page 6: Inputting Expressions And Values
3Fix 4Norm Specifies the number of digits for display of a calculation result. Fix: The value you specify (from 0 to 9) controls the number of decimal places for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: L 100 ÷... -
Page 7: Calculation Priority Sequence
4 × (30 + 10 × 3) = 240 4 *( 30 + 10 * 3 )= Math Math A multiplication symbol (×) can be omitted when it occurs immediately before an opening parenthesis, immediately before Rnd or RanInt# function that includes parentheses, immediately before the Ran# (random number) function, or immediately before independent memory (M) or π. - Page 8 Inputting a Calculation Formula Your calculator lets you input calculator formulas using the same format as they appear in your textbook (natural format). Fractions and special functions ^, ), −1 , 10^) are also displayed in a natural format. Math Math ! 63 = Math...
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Page 9: Toggling Calculation Results
Correcting and Clearing an Expression To delete a single character or function: Move the cursor so it is directly to the right of the character or function you want to delete, and then press Y. To insert a character or function into a calculation: Use d and e to move the cursor to the location where you want to insert the character or function and then input it. -
Page 10: Percent Calculations
Percent Calculations Inputting a value and pressing & causes the input value to become a percent. 150 × 20% = 30 150 * 20 &= Calculate what percentage of 880 is 660. (75%) 660 / 880 &= Increase 2500 by 15%. (2875) 2500 + 2500 * 15 &= 2875 Discount 3500 by 25%. - Page 11 is the input format for a sexagesimal value: {degrees} $ {minutes} $ {seconds} $. Note: You must always input something for the degrees and minutes, even if they are zero. 2°20´30˝ + 39´30˝ = 3°00´00˝ 2 $ 20 $ 30 $+ 0 $ 39 $ 30 $= 3°0´0˝...
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Page 12: Remainder Calculations
123 + 456 = 579 123 + 456 = 789 – 579 = 210 Math Math 789 -G= (Continuing) Independent Memory (M) You can add calculation results to or subtract results from independent memory. The “M” appears on the display when there is any value other than zero stored in independent memory. -
Page 13: Function Calculations
Cases when Remainder Division becomes Non-remainder Division If either of the following conditions exists when you perform a remainder division operation, the calculation will be treated as normal (non-remainder) division. • When either the dividend or the divisor is a very large value Example: 20000000000 u 17 = →... - Page 14 Examples To calculate 8 × 2π to three decimal places (Fix 3) s3(Fix)3 8 * 2 p= 50.265 8 * 2 p= π π 50.265 A 5 e* 0.12 = 12000 To calculate 10 × 0.12 1.2 × 10 1.2 * 10 6 3 = 1200 = 1200 3 6 2 + 2 =...
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Page 15: Calculation Ranges, Number Of Digits, And Precision
F=5, When further simplification is not possible, “Simplified” appears momentarily on the display and then the calculation result is displayed. When a divisor of 3 is specified: 18 18 ' 21 =l 3 = F=3, or 18 ' 21 el 3 = F=3, Calculation Ranges, Number of Digits, and Precision... -
Page 16: Errors
| , | 1 × 10 1 × 10 RanInt#( – Simp 9999 ( is an integer) • Precision is basically the same as that described under “Calculation Range and Precision”, above. • type function requires consecutive internal calculation, which can cause accumulation of errors that occur with each calculation. -
Page 17: Before Assuming Malfunction Of The Calculator
Error Messages Math ERROR Cause: • The intermediate or final result of the calculation you are performing exceeds the allowable calculation range. • Your input exceeds the allowable input range (particularly when using functions). • The calculation you are performing contains an illegal mathematical operation (such as division by zero). -
Page 18: Replacing The Battery
Replacing the Battery A low battery is indicated by a dim display, even if contrast is adjusted, or by failure of figures to appear on the display immediately after you turn on the calculator. If this happens, replace the battery with a new one. Important: Removing the battery will cause all of the calculator’s memory contents to be deleted. - Page 19 Ans Memory: Stores the result of the last calculation performed. Use this memory to carry the result of one calculation on to the next. Independent Memory: Use this memory to totalize the results of multiple calculations. How can I return the calculator to its initial default settings? Perform the following operation: r1(Setup)=(Yes) Is there anything I need to remember to display a fraction calculation result as a mixed fraction?
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