HPL Description
In HPL instead of variables such as A1 and J2, there were numbered registers r1, r2, up to r199999. This HPL program for the HP 9825 generates a list of prime numbers:
0: fxd 0 1: prt 1 2: prt 2 3: 1→P 4: for C=2 to 1000000 5: P+2→P 6: for N=3 to P/3 7: if int(P/N)*N = P; gto 4 8: next N 9: prt P 10: next CAnother unique characteristic of HPL was the right arrow (shown with ASCII characters as ->, however it was a single character). This arrow was known as the gazinta (slang for "goes into"). The statement 1→P would be pronounced "One gazinta P".
Read more about this topic: HP 9800 Series Desktop Computers
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