Casio FX-991W - Key Layout Overview

Contents
Safety Precautions. 1
Handling Precautions....,.2
Two-line Display. 5
Key Layout............6
Before Starting Calculations.....8
■ Modes. 8
■ Input Capacity. 9
■ Making Corrections During Input..9
■ Replay Function ..9
■ Error: Locator;:-.. ■ ..to
■ Exponential Display Formats .. 1 0
■ Ans we r Memory.„... 4 ..10
Basic dalcu rations......1 1
Memory Calculations...„ t 1
■ Independent Memory .... 1 1
■ Variables.; *, .. \ \
Fraction Calculations .......12
■ Fraction Calculations.. 12
■ Decimal-to-Fraction Conversion.’ i.... 12
■ Fractibn-to-Deciinai Conversion .. 12
Percentage Calculations.13
Scientific Function Calculations......14
■ T rigonometric/lnverse Trigonometric Functions.... 14
■ Hyperbolic/lnverse Hyperbolic Functions ...14
■ A ngie Unit Conversion .. 1 5
■ Common and Natural Logarithms/
5 -Anti logarithms^.... 15
■ Square Roots, Cube Roots, Roots, Squares.
Cubes; Reciprocals, Factorials,
Random Numbers and it . . 1 5
■ FIX, SCI; RND . . / .......I...;.:. . ; . 1 6
■ ENG Calculations .;. ; .. 17
■ Inputting ENG Calculation Symbols.•.17
■ Coordinate Conversion (Pol(x j), Rec {r, 0}) : 18
■ Permutation:.^V.;. 19
■ Combination.. 19
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