HP 9825A Calculator 9872A Plotter Programming Manual

HP 9825A Desktop Computer Extended I/O Programming Manual 1978 100+ pages

Hewlett Packard 9825A Desktop Calculator 9872A Plotter Programming

HP 9825A Calculator String Variable Programming manual

HP 9825A Calculator Advanced Programming

HP 9825A Calculator Extended I/O Programming

HEWLETT PACKARD HP 9825A CALCULATOR OPERATING & PROGRAMMING MANUAL

HP 98210 9825A STRING ADV, PROGRAMMING Disk Drive DISC