Contents

7

Status Indicators ....................................................................

87

Number Display Formats ........................................................

87

Scientific Notation Display Format ...........................................

88

Special Displays ....................................................................

90

The

Key in RPN Mode..........................................................

90

The

Key in RPN Mode .........................................................

91

Arithmetic Calculations With Constants ....................................

91

Recovering From Errors in Digit Entry........................................

92

Section 6:

Statistics Functions ............................................

93

Accumulating Statistics..................................................................

93

Correcting Accumulated Statistics ...................................................

94

Mean .........................................................................................

94

Standard Deviation.......................................................................

96

Linear Estimation ..........................................................................

97

Weighted Mean...........................................................................

99

Section 7: Mathematics and Number-Alteration Functions.. 100

One-Number Functions ...............................................................

100

The Power Function in RPN Mode.................................................

102

The Power Function in ALG Mode .................................................

102

Part II: Programming ...........................................

103

Section 8:

Programming Basics ........................................

104

Why Use Programs?...................................................................

104

Creating a Program....................................................................

104

Running a Program.....................................................................

106

Program Memory .......................................................................

108

Identifying Instructions in Program Lines ..................................

108

Displaying Program Lines......................................................

109

The

000 Instruction and Program Line 000 ......................

112

Expanding Program Memory ................................................

112

Setting the Calculator to a Particular Program Line ...................

114

Executing a Program One Line at a Time .......................................

114

Interrupting Program Execution.....................................................

117

Pausing During Program Execution.........................................

117

Stopping Program Execution .................................................

122

Section 9:

Branching and Looping .....................................

125

Simple Branching .......................................................................

125

File name: hp 12c pt_user's guide_English_HDPMF123E27

Page: 7 of 275

Printed Date: 2005/8/1

Dimension: 14.8 cm x 21 cm