Product number (P/N): 930,
Keywords/Tags: 930
Date of intro: ~1976,
Display: Type = Display (Gas disharge) (List),
Classification: / Desktop with Display+Printer / Printer (thermal) / Card reader,
Featuring: Programmable,
Main Components: ROCKWELL: *,
Serie-members: ROCKWELL: 920 (9 Mems, 192 ProgSteps); ROCKWELL: 920-2 (41 Mems, 192 ProgSteps); ROCKWELL: 920-3 (96 Mems, 996 ProgSteps); ROCKWELL: 930 (); ROCKWELL: 940 (); ROCKWELL: 960 (); ROCKWELL: 960-3 (),
Collector value: 8.5/10,
Info: The programming characteristics are:
MODE CONTROLS: MANUAL, PROG, LIST, EDIT, RUN. PROGRAM CONTROLS: JUMP and GO SUB (conditional or unconditional), LABEL, INDIR, PRINT, SPACE, RETURN, STOP. MEMORY CAPACITY
Available with a basic 192 steps separate from data storage with optional expanded memory up to 960 steps, subroutine nesting to 5 levels, absolute, label, and indirect program addressing.
EDITING CAPABILITIES: Replace, insert, delete, back-up, list, trace.
Among the registers are: Basic memory registers 1 — 9 with M+, M–, = +, = 0, EXCHANGE functions and accumulation counter, basic and expanded optional registers (up to 99)
Use (ArrowUp) M /IN, M / OUT with register arithmetic (+, –, EX-CHANGE) and indirect addressing.
The magnetic card system permits 32 data registers or 256 program instructions on each half card with card validity test.

Fundamental specifications:
Electronic 14-digit printing/display calculator, 10-key accumulator (+, S, T, Add Mode), calculator functions (x %, =, constants), automatic item and accumulation counters,
automatic 1st and 2nd factor accumulations, 11 user definable keys, 9 basic registers and optional expansion to 99 registers with direct register arithmetic,
indirect register ad-dressing, 1/x, x(PowertY), lnx, e(PowerX), Square Root, overflow and error detection, tape audit symbols,
192 basic programming steps with optional expansion to 960 steps, program edit functions (replace, insert, delete, back-up, list, trace), subroutine nesting,
conditional and unconditional program transfers (positive, negative, zero, no entry), absolute, label, and indirect program addressing,
magnetic card system with card validity test.
The 930, in addition to its unique method of customized keys, also allows users to key in own programs through the simple-to-operate keyboard or they can
select programs from a continually expanding program library.
Program and data storage memories are expandable up to 960 steps and 99 memories.
A versatile repertoire of programming instructions is available including: conditional and unconditional program transfers; absolute, label and indirect program addressing;
replace, insert, delete, back-up, list, and trace functions; and a magnetic read /write card system with card validity test.

!!! This item is WANTED to join the collection !!!