Casio fx-115ES, fx-991ES Readingthe Display

Readingthe Display

The display of the calculator shows expressions you input, calculation results, and various indicators.

Input expression

Math

Calculation result

Indicators

Math

•If a ' indicator appears on the right side of the calculation result, it means the displayed calculation result continues to the right. Use e and d to scroll the calculation result display.

•If a g indicator appears on the right side of the input expression, it means the displayed calculation continues to the right. Use eand dto scroll the input expression display. Note that if you want to scroll the input expression while both the 'and gindicators are displayed, you will need to press A first and then use e and d to scroll.

Display indicators

This

Means this:

indicator:

The keypad has been shifted by pressing the 1 key. The keypad will unshift and this indicator will disappear when you press a key.

The alpha input mode has been entered by pressing the S key. The alpha input mode will be exited and this indicator will disappear when you press a key.

MThere is a value stored in independent memory.

	The calculator is standing by for input of a variable name to
STO	assign a value to the variable. This indicator appears after
	you press 1t(STO).

	The calculator is standing by for input of a variable name to
RCL	recall the variable’s value. This indicator appears after you
	press t.

STAT	The calculator is in the STAT Mode.

CMPLX	The calculator is in the CMPLX Mode.

MAT	The calculator is in the MATRIX Mode.

VCT	The calculator is in the VECTOR Mode.

7	The default angle unit is degrees.

8	The default angle unit is radians.

9	The default angle unit is grads.

FIX	A fixed number of decimal places is in effect.

SCI	A fixed number of significant digits is in effect.

Math	Natural Display is selected as the display format.

	Calculation history memory data is available and can be
$`	replayed, or there is more data above/below the current
	screen.

E-4

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