Casio FX-55 User Manual

fx-55 PLUSUser’s GuideCASIO Worldwide Education Websitehttp://edu.casio.comCASIO EDUCATIONAL FORUMhttp://edu.casio.com/forum/E

E-9Percent CalculationsInputting a value and pressing & causes the input value to become a percent. 150 × 20% = 30 150 * 20 &= 30Calculate w

E-10is the input format for a sexagesimal value: {degrees} $ {minutes} $ {seconds} $. Note: You must always input something for the degrees and minut

E-11123 + 456 = 579 123 + 456 =789 – 579 = 210 (Continuing) 789 -G=Independent Memory (M)You can add calculation results to or su

E-12Cases when Remainder Division becomes Non-remainder Division If either of the following conditions exists when you perform a remainder division op

E-13ExamplesTo calculate 8 × 2π to three decimal places (Fix 3)s3(Fix)3L 8 * 2 p= 50.265K 8 * 2 p= 16ππ M 50.265To calculate 105 × 0.12 A 5 e* 0.1

E-14 l= F=5, 56 l= 56When further simplification is not possible, “Simplified” appears momentarily on the display and then the calculation result

E-15RanInt#(a, b) a  b; |a|, |b|  1 × 1010; b – a  1 × 1010Simp n 1  n  9999 (n is an integer)Precision is basically the same as that described u

E-16Error MessagesMath ERRORCause: • The intermediate or final result of the calculation you are performing exceeds the allowable calculation range.

E-17Replacing the BatteryA low battery is indicated by a dim display, even if contrast is adjusted, or by failure of figures to appear on the display

E-18Ans Memory: Stores the result of the last calculation performed. Use this memory to carry the result of one calculation on to the next. Independen

ContentsImportant Information ...2Sample Operations ...

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E-2Important InformationThe displays and illustrations (such as key markings) shown in this User’s Guide are for illustrative purposes only, and may d

E-3Do 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

E-4Reading the DisplayThe display of the calculator shows expressions you input, calculation results, and various indicators.Input expressionCalculati

E-53Fix 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

E-64 × (30 + 10 × 3) = 2404 *( 30 + 10 * 3 )= *1 *2*1 A multiplication symbol (×) can be omitted when it occurs immediately before an opening parenth

E-7Inputting a Calculation FormulaYour calculator lets you input calculator formulas using the same format as they appear in your textbook (natural fo

E-8Correcting and Clearing an ExpressionTo delete a single character or function: Move the cursor so it is directly to the right of the character or f