Specifications for Texas Instruments SR-60/SR-60A
Manufacturer: Texas Instruments
Model Number: SR-60A
Serial Number: 0011273
Date of Manufacture: Early-1977 (Introduction early 1976, discontinued 1979)
Manufactured In: USA
Original Price: $1,695 (base SR-60) at introduction, later reduced to $995.
$1,995 (base SR-60A, Spring '78)
Weight: 16 Pounds
Size: 17" Wide, 14 1/2" Deep, 5 1/2" High
Power Requirement: 120 Volts AC
Display Technology: 20 character 5x7 dot-matrix Alphanumeric Display
Logic Technology: LSI Microprocessor, Single Board
16K bytes (Base SR-60) dynamic RAM Program/Memory Registers/Working
Storage
Digits of Capacity: 12 Significant Digits (10 displayed)
Scientific Notation with 2-digit exponent (-99 to +99)
Decimal Modes: Floating or Scientific Notation
Arithmetic Logic: Full Algebraic with nine level parenthesis nesting
Math Functions: Large variety of math & science functions
Constant: Available on all four functions via [x->K] key
Memories: 40 Memory Registers (base SR-60) expandable to 100 via
$700 memory expansion module.
Programmable: Yes, Learn-Mode with program editing features;
Conditional and unconditional branching (via labels);
10 binary flag registers, indirect addressing;
alphanumeric prompting/printing capability;
user-definable function keys.
Volatile RAM Program/Storage Register Memory
with 480 step program storage (base SR-60), expandable
to 1920 steps with $700 memory expansion module
Peripherals: Built-in 20-column 5x7 dot-matrix thermal printer
Built-in magnetic card reader/writer for offline
program/data storage.
Credits: Sincere thanks to Michael Cochran(5/21/1941-12/2/2018) for donation of his personal SR-60A Serial# 0011273
Patents: US Patent Number 4,107,782 [Prompting Programmable Calculator]
Previous Machine: Monroe 1860
Next Machine: Hewlett Packard 9825A
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