HP HP-28S - Page 7

43 Swapping Levels 1 and 2
44
Clearing Objects From the Stack
45 Chain Calculations
47
If You Execute the Wrong Function
3 48
Using Variables
48 Introduction to Variables
49 Creating a Numerical Variable
50
Recalling a Numerical Variable
50
Evaluating a Numerical Variable
51
Changing the Value of a Variable
52 Purging a Variable
52
Changing the Name of a Variable
54 Creating a Program Variable
56
Recalling a Program Variable
56
Evaluating a Program Variable
57
Quoted and Unquoted Names
4 58
Repeating Calculations
58
Creating an Expression
60
Creating a Directory
63
Using the Solver To Repeat a Calculation
66
Using a Different Set of Values
68
Using a Different Expression
71 Returning to HOME
72 Summary
5
73
Real-Number Functions
73 Trigonometric Functions
73
Selecting Angle Mode
74 Using 7r
76
Converting Angular Measure
77
Logarithmic, Exponential, and Hyperbolic
Functions
78 Other Real Functions
79
Defining New Functions
6 Contents