Contents3
Section 4: Using HP-41C Functions   
57
Executing Functions from the Display   
57
The HP-41C Catalogs   
59
USER Mode Functions   
61
Section 5: Storing and Recalling Numbers and ALPHA Strings   
67
Primary Storage Registers   
68
VIEW Function   
72
Defining Storage Register Configurations   
73
Clearing Storage Registers   
73
Storage Register Arithmetic   
74
Storage Register Overflow   
75
Section 6: Functions   
77
The Standard Function Catalog   
77
General Mathematics Functions   
77
Changing the Sign of a Number   
77
Rounding a Number   
78
Absolute Value   
78
Integer Portion of a Number   
79
Fractional Portion of a Number   
79
The Modulo Function   
79
Reciprocals   
80
Factorials   
81
Square Roots   
81
Squaring   
82
Using Pi   
82
Percentages   
83
Percent of Change   
84
Unary of X   
85
Trigonometric Functions   
85
Trigonometric Modes   
85
Trigonometric Functions   
86
Degrees/Radians Conversions   
87
Hours, Minutes, Seconds/Decimals Hours Conversions   
88
Adding ans Subtracting Time and Angles   
90
Polar/Rectangular Coordinate Conversions   
92
Logarithmic and Exponential Functions   
96
The Exponential Function   
97
Statistical Functions   
99
Accumulations   
99
Mean   
101
Standard Deviation   
101
Deleting and Correcting Data   
103