Casio FX-890P Owner's Manual page 117

goto
PURPOSE: Branches unconditionally to a specified destination label.
FORMAT: goto label;
PARAMETERS: label is the name of a label defined within the same function.
EXPLANATION:
1. the goto statement and label concept are similar to the ones used in BASIC.
2. a label is defined writing an identifier followed by a colon.
3. it is possible and recommended to avoid using the goto statement in a C
program.
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