F Viivi Enter-Button

The symbol 'F' refers to the component 'F' in the figure.

Clicking the Enter-Button in the initial state or in the terminated state proceeds the current state to the next state.

Clicking it in the halted state proceeds the processing or the evaluation by one-step and halts it again.

Clicking it in the processing state or in the evaluating state proceeds the processing or evaluation to an appropriate point and halts it.

Clicking it after typing a string in the input-line transfers the string to a corresponding input-port window and inputs it to Viivi kernel. In this case, the evaluation stops at an appropriate point.

In all the cases, clicking the Enter-Button is equivalent to typing the Enter-Key on the keyboard.