Stop instruction
The most important instruction in any computer language is the STOP command.
Explanation
Only after that you can develop other commands, so
STOP
NO-OP
NEXT
IF THEN ELSE
Example 1
Pressing AC/ON on a Casio calculator during calculation of a differential or an integral (while the cursor is not shown on the display) stops the calculation.
HistoryIn his book A Discipline of Programming, the Dutch mathematician Edsgar Dijkstra (1930 – 2002) has described the need of stopping a computer. |