Casio fx-50F PLUS - Manual (Page 5)

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Contents
Getting Started .........................................................................................1
Before using the calculator for the fi rst time... .................................................................... 1
Resetting the Calculator to Initial Defaults.......................................................................... 1
About this Manual ............................................................................................................... 1
Safety Precautions ...................................................................................2
Operating Precautions .............................................................................3
Before starting a calculation... ................................................................6
Turning On the Calculator ................................................................................................... 6
Key Markings ...................................................................................................................... 6
Reading the Display ........................................................................................................... 7
Calculation Modes and Setup .................................................................7
Selecting a Calculation Mode ............................................................................................. 7
Calculator Setup ................................................................................................................. 8
Clearing the Calculation Mode and Setup Settings .......................................................... 10
Inputting Calculation Expressions and Values ....................................10
Inputting a Calculation Expression (Natural Input) ........................................................... 10
Editing a Calculation ......................................................................................................... 12
Finding the Location of an Error ....................................................................................... 13
Basic Calculations ..................................................................................14
Arithmetic Calculations ..................................................................................................... 14
Fractions ........................................................................................................................... 14
Percent Calculations ......................................................................................................... 16
Degree, Minute, Second (Sexagesimal) Calculations ...................................................... 17
Calculation History and Replay .............................................................18
Accessing Calculation History ......................................................................................... 18
Using Replay .................................................................................................................... 19
Calculator Memory Operations .............................................................19
Using Answer Memory (Ans) ........................................................................................... 19
Using Independent Memory ............................................................................................. 21
Using Variables ................................................................................................................. 22
Clearing All Memory Contents ......................................................................................... 23
Using
π π
, e , and Scientifi c Constants .....................................................23
Pi (
π ) and Natural Logarithm Base e ................................................................................ 23
Scientifi c Constants .......................................................................................................... 24
Scientifi c Function Calculations ..........................................................26
Trigonometric and Inverse Trigonometric Functions ......................................................... 27
Angle Unit Conversion ...................................................................................................... 27
Hyperbolic and Inverse Hyperbolic Functions .................................................................. 28
Exponential and Logarithmic Functions ........................................................................... 28
Power Functions and Power Root Functions .................................................................... 29