Casio fx-991W User Manuals

Table of Contents

• Safety Precautions

  1
• Handling Precautions

  2
• Two-line Display

  5
• Key Layout

  6
• kModes

  8
• kInput Capacity

  9
• kMaking Corrections During Input

  9
• kReplay Function

  9
• kError Locator

  10
• kExponential Display Formats

  10
• kAnswer Memory

  10
• Basic Calculations

  11
• Memory Calculations

  11
• kIndependent Memory

  11
• kVariables

  11
• Fraction Calculations

  12
• kFraction Calculations

  12
• kDecimal-to-Fraction Conversion

  12
• kFraction-to-Decimal Conversion

  12
• Percentage Calculations

  13
• Scientific Function Calculations

  14
• kHyperbolic/Inverse Hyperbolic Functions

  14
• kAngle Unit Conversion

  15
• Antilogarithms

  15
• Random Numbers and π

  15
• kFIX, SCI, RND

  16
• kENG Calculations

  17
• kInputting ENG Calculation Symbols

  17
• kCoordinate Conversion (Pol(x, y), Rec (r, θ ))

  18
• kPermutation

  19
• kCombination

  19
• Statistical Calculations

  19
• kStandard Deviation (SD Mode)

  19
• kProbability Distribution Calculations

  20
• kRegression Calculations (REG Mode)

  21
• (CMPLX Mode)

  23
• kAbsolute Value/Argument Calculation

  24
• Formula Memory

  24
• Metric Conversions (fx-570W/ fx-991W )

  25
• Scientific Constants (fx-570W/ fx-991W )

  26
• Base-n Calculations

  28
• Integration Calculations

  30
• Technical Information

  31
• kError Messages

  31
• kOrder of Operations

  32
• kStacks

  33
• kPower Supply

  34
• kInput Ranges

  37
• Specifications

  39