Owner's manual
Table Of Contents
- Material covered
- The HP 49G documentation set
- Chapter 1
- Entering commands
- Keyboard entry
- Subject-specific menus
- Displaying system Flags
- Setting and clearing Flags
- User Flags
- Chapter 3
- Command line operations
- Activating the command line
- Positioning the cursor
- Helpful commands and sub-menus
- Selecting characters
- Copy, cut, and paste
- Editing the command Line
- Command Line information
- Chapter 4
- Using the stack
- Example stack calculations
- Chapter 5
- Matrices and linear algebra
- Matrix Writer operations
- Advanced matrix operations
- Creating special matrices
- Assembling matrices
- To assemble a matrix by rows From a series of vectors
- To assemble a matrix by columns From a series of vectors
- To assemble a matrix with a particular diagonal From a vector
- To assemble a matrix From a sequence oF elements
- To disassemble a matrix into its elements
- To disassemble a matrix into row vectors
- To disassemble a matrix into column vectors
- To extract the vector oF diagonals From a matrix
- To insert one or more new rows into a matrix
- To insert one or more new columns into an array
- To extract a particular row From an array
- To extract a particular column From an array
- Swapping rows and columns
- Extracting and replacing elements oF matrices
- More matrix arithmetic
- To change the sign of each element in a matrix
- To multiply a matrix and vector
- To divide an array by a square matrix
- To combine two real matrices into a complex matrix
- To split a complex matrix into two real matrices
- To conjugate each element of a complex matrix
- To extract the matrix of real parts from a complex matrix
- To extract the matrix of imaginary parts From a complex matrix
- Eigenvalues and eigenvectors
- To compute the eigenvalues For a square matrix
- To compute the eigenvalues and eigenvectors For a square matrix
- To compute the singular values oF a matrix
- To decompose or factor a matrix
- Overview of the Units application
- Unit objects
- Converting units
- Calculating with units
- Working with temperature units
- Chapter 7 Constants Library
- To view the constants library
- To copy a constant to the stack or history
- To include a constant in an algebraic expression
- Chapter 8 Number bases
- Entering and displaying binary integers
- To set the base
- To set the wordsize
- To recall the current wordsize
- To enter a binary integer
- To add, subtract, multiply, or divide two binary integers
- To find the negative of a binary integer
- To convert a binary integer to a diFFerent number base
- To convert a binary integer to a real number
- To convert a real number to a binary integer
- Using Boolean operators
- Manipulating bits and bytes
- List Processing
- Applying a Function or program to a List
- List Manipulations
- Chapter 10
- Advanced plotting options Labelling and relocating the axes
- Plotting programs
- Plotting range vs. display range
- To check the current size oF PICT
- To use computed values for plotting or display ranges
- Saving and Restoring Plots
- Chapter 11
- How memory is structured
- Accessing port contents
- Backup objects
- Using data in backup objects
- How the HP 49G manages memory
- To list a port’s contents, and find Free memory
- Chapter 12
- Date and time arithmetic Date and time Formats
- Date and time tools
- Calculating with dates
- Calculating with times
- Chapter 13 Customization
- Creating menus
- User mode
- Chapter 14
- Computer Algebra Commands
- Alphabetical command list
- 1 q
- Index
Flag commands
The flag commands are listed and explained in the table below. The flag
commands enable you to set and clear flags as well as having a value
returned that indicates the status of a specified flag: 1 if the flag is set, 0 if
the flag is clear.
Command
Description
SF
Sets the specified flag.
CF
Clears the specified flag.
FS?
Returns true (1) if the specified flag is set and false (0) if the
flag is clear.
FC?
Returns true (1) if the specified flag is clear and false (0) if the
flag is set.
FS?C
Tests the specified flag, returns true (1) if it is set or false (0) if
it is clear, and then clears it.
!FC?C
Tests the specified flag, returns true (1) if it is clear or false (0)
if it is set, and then clears it.
Table 2-1 Flag commands
User Flags
You can also apply the conunands listed in the table above to user flags.
(User flags are mainly used in programming.)
User flags are positive numbers, while system flags are negative numbers.
(In the System Flags list—discussed on page 2-1—the system flags are
shown as positive munbers. However, when you are setting, clearing, and
testing system flags, you must specify the flag as a negative number.)
You have access to 128 user flags. You can set, clear, and test them the
same way as with system flags. For example, to clear flag 25 that your
program has set, you issue the command CF(25).
Page 2-4
System flags