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Casio fx-115ES, fx-991ES CalculationRanges,NumberofDigits,and Precision, Calculation Range and Precision, Function Calculation Input Ranges and Precision

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The following shows the two-digit numbers for each of the metric conversion commands.

01: in 'cm	02: cm 'in	03: ft 'm	04: m 'ft

05: yd 'm	06: m 'yd	07: mile 'km	08: km 'mile

09: n mile 'm	10: m 'n mile	11: acre 'm2	12: m2 'acre
13: gal (US) 'R	14: R'gal (US)	15: gal (UK) 'R	16: R'gal (UK)

17: pc 'km	18: km 'pc	19: km/h 'm/s	20: m/s 'km/h

21: oz 'g	22: g 'oz	23: lb 'kg	24: kg 'lb

25: atm 'Pa	26: Pa 'atm	27: mmHg 'Pa	28: Pa 'mmHg

29: hp 'kW	30: kW 'hp	31: kgf/cm2 'Pa	32: Pa 'kgf/cm2
33: kgf • m 'J	34: J 'kgf • m	35: lbf/in2 'kPa	36: kPa 'lbf/in2
37: °F '°C	38: °C '°F	39: J 'cal	40: cal 'J

Conversion formula data is based on the “NIST Special Publication 811 (1995)”.

Note: The J'cal command performs conversion for values at a temperature of 15°C.

CalculationRanges,NumberofDigits, and Precision

The calculation range, number of digits used for internal calculation, and calculation precision depend on the type of calculation you are performing.

Calculation Range and Precision

	Calculation Range	±1 ⋅ 10–99to ±9.999999999 ⋅ 1099 or 0

	Number of Digits for Internal	15 digits
	Calculation	15 digits
	Calculation
	Precision	In general, ±1 at the 10th digit for a single
		calculation. Precision for exponential
		display is ±1 at the least significant digit.
		Errors are cumulative in the case of
		consecutive calculations.

Function Calculation Input Ranges and Precision

Functions				Input Range

	DEG	0	x 9	⋅ 109
sinx	RAD	0	x 157079632.7
	GRA	0	x 1	⋅ 1010
	DEG	0	x 9	⋅ 109
cosx	RAD	0	x 157079632.7
	GRA	0	x 1	⋅ 1010
	DEG	Same as sinx, except when x= (2n–1) ⋅ 90.
tanx	RAD	Same as sinx, except when x= (2n–1) ⋅ π/2.
	GRA	Same as sinx, except when x= (2n–1) ⋅ 100.

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Contents

Page Contents Key Markings Using Menus Recurring Decimal Calculations Toggling Calculation Results ImportantInformation SampleOperations Initializing theCalculator SafetyPrecautions Handling Precautions Removingthe Hard Case Turning Power Onand Off Adjusting Display Contrast Key Markings Readingthe Display Using Menus SpecifyingtheCalculation Mode Configuringthe Calculator Setup Page Initializing Calculator Settings InputtingExpressionsand Values Basic Input Rules Calculation Priority Sequence Inputting with Natural Display Using Values and Expressions as Arguments Overwrite Input Mode (Linear Display only) Correcting and Clearing an Expression Recurring DecimalCalculations Inputting a Recurring Decimal Displaying a Calculation Result as a Recurring Decimal Value Conditions for Displaying a Calculation Result as a Recurring Decimal Recurring Decimal Examples TogglingCalculation Results Basic Calculations Fraction Calculations Percent Calculations Degree, Minute, Second (Sexagesimal) Calculations Multi-Statements Using Engineering Notation Calculation History Replay Answer Memory (Ans) /Previous Answer Memory (PreAns) Variables (A, B, C, D, E, F, X, Y) Independent Memory (M) Clearing the Contents of All Memories RemainderCalculations Cases when Remainder Division becomes Non-remainderDivision Prime Factorization FunctionCalculations Page Integration and Differential Calculation Precautions Tips for Successful Integration Calculations Examples Page Complex NumberCalculations (CMPLX) CMPLX Mode Calculation Examples Using a Command to Specify the Calculation Result Format Using CALC Using SOLVE Solution Screen Contents Continue Screen Statistical Calculations(STAT) Inputting Data Obtaining Statistical Values from Input Data Page Calculating Estimated Values Performing Normal Distribution Calculations Base-n Calculations (BASE-N) Specifying the Number Mode of a Particular Input Value Converting a Calculation Result to another Type of Value Logical and Negation Operations Equation Calculations (EQN) Changing the Current Equation Type Setting EQN Mode Calculation Examples Matrix Calculations (MATRIX) Matrix Answer Memory Assigning and Editing Matrix Variable Data Matrix Calculation Examples Creatinga Number Table fromTwoFunctions (TABLE) Page Vector Calculations (VECTOR) Vector Answer Memory Assigning and Editing Vector Variable Data Vector Calculation Examples InequalityCalculations(INEQ) Changing the Inequality Type INEQ Mode Calculation Examples Special Solution Display Using VERIFY (VERIF) Expression Input Precautions VERIFY Mode Calculation Examples DistributionCalculations (DIST) Variables that Accept Input List Screen (Binomial PD, Binomial CD, Poisson PD, Poisson CD) DIST Mode Calculation Examples Page ScientificConstants MetricConversion CalculationRanges,NumberofDigits,and Precision Calculation Range and Precision Function Calculation Input Ranges and Precision Page Errors Displaying the Location of an Error Clearing the Error Message Error Messages Page Before Assuming Malfunctionof theCalculator ReplacingtheBattery Specifications FrequentlyAskedQuestions CASIO COMPUTER CO., LTD © 2012 CASIO COMPUTER CO., LTD