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Prematurely ends a cycle of a loop.
:Cycle
Menu Location
Starting in the program editor:
- Press F2 to enter the Control menu.
- Press 8 to enter the Transfers submenu.
- Press 3 to select Cycle.
This command works on all calculators.
4 bytes
The Cycle command ends the current cycle of a For..EndFor, Loop..EndLoop, or While..EndWhile loop, as though the corresponding End were there. It doesn't exit the loop forever; if the loop would have repeated, it goes back to the beginning. However, if the loop is ready to end (if the counter is equal to the end value, for a For loop, or if the condition is false, for a While loop), it exits the loop and continues after the EndFor or EndWhile command.
An example of Cycle in a For loop:
:For num,1,100
: If isPrime(num)
: Cycle
: Disp num
:EndForThis loop prints all the composite numbers between 1 and 100. Here's how it works: for every number, it first checks whether or not it's prime. If it is, the program goes back to the beginning of the loop with the next number. On the other hand, if the number is composite, the program continues to the Disp command, then hits EndFor and goes back to the beginning of the loop as well.
If the Cycle instruction is inside multiple loops, one nested in the other, it works with the innermost loop.
Error Conditions
560 - Invalid outside Loop..EndLoop, For..EndFor, or While..EndWhile blocks happens when Cycle is used outside a loop.