Isz (Count Jump)

Function: This command is a count jump that increments the value of a control variable by 1, and then jumps if the current value of the variable is zero.

Syntax:

 

 

Variable Value ≠ 0

 

 

_

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Isz <variable name> : <statement> : <statement>

 

 

Variable Value = 0

^

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameters: variable name: A to Z, r, θ

[Example] Isz A : Increments the value assigned to variable A by 1.

Description: This command increments the value of a control variable by 1, and then tests (checks) it. If the current value is non-zero, execution continues with the next statement.

If the current value is zero, execution jumps to the statement following the multi-statement command (:), display command (^), or carriage return ( ).

⇒(Jump Code)

Function: This code is used to set up conditions for a conditional jump. The jump is executed whenever the conditions are false.

Syntax:

True

<left side> <relational operator> <right side> ⇒ <statement> : <statement>

^

False

Parameters:

•left side/right side: variable (A to Z, r, θ), numeric constant, variable expression (such as: A × 2)

•relational operator: =, ≠, >, <, ≥, ≤ (page 8-24)

Description:

•The conditional jump compares the contents of two variables or the results of two expressions, and a decision is made whether or not to execute the jump based on the results of the comparison.

•If the comparison returns a true result, execution continues with the statement following

the ⇒ command. If the comparison returns a false result, execution jumps to the statements following the multi-statement command (:), display command (^), or carriage return (_).

8-18