The character codes are an extension of ISO 8859/1. Codes 128 through 160 are unique to the calculator. See Appendix J for a complete list of characters and character codes.

The default character ā is supplied for all character codes that are not part of the normal calculator’s display character set.

Character code 0 is used for the special purpose of marking the end of the command line. Attempting to edit a string containing this character causes the error Can't Edit Null Char.

You can use the CHARS application to find the character code for any character used by the calculator. See “Additional Character Set” in Appendix D of the HP 50g User’s Guide.

Access:

!°TYPE LCHR

( °is the left-shift of the Nkey).

Input/Output:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Level 1/Argument 1

 

Level 1/Item 1

 

 

 

 

 

 

 

 

 

n

→

“string”

 

NUM, POS,

 

 

 

See also:

REPL, SIZE, SUB

 

 

 

 

 

 

 

 

CIRC

 

 

 

 

 

Type:

Command

 

 

Description:

Composes two permutations.

 

 

Access:

Arithmetic, !ÞPERMUTATION

 

 

Input:

Two lists, L1 and L2, representing two permutations. The composition L1○L2 is the permutation

 

equivalent to performing permutation L2 first and L1 second.

 

 

Level 2/Argument 1: L1

 

 

 

Level 1/Argument 2: L2

 

 

Output:

A list representing the single equivalent permutation, L = L1○L2

 

Example:

Compose the permutations given by {3,4,5,2,1} and {2,1,4,3,5}

 

Command:

CIRC({3,4,5,2,1},{2,1,4,3,5})

 

 

Result:

{4,3,2,5,1}

 

 

 

See also:

C2P, P2C

 

 

CKSM

Command

 

 

Type:

 

 

Description:

Checksum Command: Specifies the error-detection scheme.

 

 

Legal values for nchecksum are as follows:

 

 

 

•

1-digit arithmetic checksum.

 

 

 

•

2-digit arithmetic checksum.

 

 

 

•

3-digit cyclic redundancy check (default).

 

 

 

The CKSM specified is the error-detection scheme that will be requested by KGET, PKT, or

 

SEND. If the sender and receiver disagree about the request, however, then a 1-digit arithmetic

 

checksum will be used.

 

 

Access:

…µCKSM

 

 

Input/Output:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Level 1/Argument 1

 

Level 1/Item 1

 

 

 

 

 

 

 

 

 

nchecksum

→

 

 

 

 

 

 

See also:

BAUD, PARITY, TRANSIO

 

 

 

 

 

 

 

 

3-36 Full Command and Function Reference