Casio ALGEBRA FX 2.0 Manual page 24

Isz
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:
Isz <variable name> : <statement>
Parameters: variable name: A to Z,
[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 (_).
k k k k k Clear Commands (CLR)
ClrGraph
Function: This command clears the graph screen and returns View Windows settings to
their INIT values.
Syntax: ClrGraph
Description: This command clears the graph screen during program execution.
ClrList
Function: This command deletes list data.
Syntax: ClrList <list name>
ClrList
Parameters: list name: 1 to 20, Ans
Description: This command deletes the data in the list specified by "list name". All list data is
deleted if nothing is specified for "list name".
8-5-11
Command Reference
Variable Value 0
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Variable Value = 0
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: <statement>
^