LEXIBOOK SC460 Owner's Manual page 42

LEXIBOOK
Scientific calculator with two line display, trigonometric functions,
one variable statistics, sexagesimal calculations.
INTRODUCTION .......................................................................................................................
Before getting started ................................................................................................................
1. USING THE CALCULATOR .................................................................................................
Turning the calculator on and off ...............................................................................................
Display and indicators ...............................................................................................................
Basic keys .................................................................................................................................
Secondary function and ALPHA functions .................................................................................
Notations used in the manual ....................................................................................................
Calculation modes .....................................................................................................................
Editing a calculation ...................................................................................................................
Scientific and engineering notations .........................................................................................
Selecting the notation mode .....................................................................................................
Setting the number of decimal places ......................................................................................
Calculation Priority Sequence ..................................................................................................
Percentages .............................................................................................................................
2. CALCULATOR MEMORY OPERATIONS ...........................................................................
Answer memory (ANS) ............................................................................................................
Repeating previous calculation (K) ..........................................................................................
Independent Memory (M) .........................................................................................................
Temporary Memories (A-D, X, Y) .............................................................................................
3. ARITHMETIC CALCULATIONS ..........................................................................................
Inverses, squares and exponents ............................................................................................
Roots .........................................................................................................................................
Fractions ...................................................................................................................................
Logarithms and exponentials ...................................................................................................
Hyperbolic functions .................................................................................................................
4. TRIGONOMETRIC CALCULATIONS ..................................................................................
Value π ......................................................................................................................................
Angle Units ...............................................................................................................................
Choosing the angle unit and conversions .............................................................................
Sexagesimal conversions (degrees / minutes /seconds) ......................................................
Time calculations ..................................................................................................................
Cosine, sine, tangent ...............................................................................................................
Arccosine, arcsine, arctangent .................................................................................................
Polar coordinates .....................................................................................................................
5. STATISTICS .........................................................................................................................
Preliminary comments ..............................................................................................................
Statistical function keys ............................................................................................................
One variable statistics - practical example ..............................................................................
Two variable statistics - practical example ..............................................................................
Non-linear regression ...............................................................................................................
6. OTHER FUNCTIONS ...........................................................................................................
Factorial n!, permutations and combinations ...........................................................................
Random functions ....................................................................................................................
7. ERROR MESSAGES ...........................................................................................................
Probable causes of errors .........................................................................................................
Allowable limits ........................................................................................................................
8. SAFETY PRECAUTIONS ....................................................................................................
Using the RESET button ..........................................................................................................
Replacing the batteries ............................................................................................................
Handling precautions ...............................................................................................................
9. WARRANTEE ....................................................................................................................
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SC460IM0237.indb 42
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SCIENTIFIC CALCULATOR SC460
CONTENTS
Copyright © Lexibook 007
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