HP 9825A Calculator Extended I/O Programming

HP 9825A Calculator String Variable Programming manual

HEWLETT PACKARD HP 9825A CALCULATOR OPERATING & PROGRAMMING MANUAL

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

HP 98210 9825A STRING ADV, PROGRAMMING Disk Drive DISC

HP 9825A Calculator 9872A Plotter Programming Manual

HEWLETT PACKARD HP 9825A CALCULATOR 9862A PLOTTER PROGRAMMING MANUAL

HP 9825A Calculator Manual Reference Supplement A to 09825-90000 Manual