| Manufacturer: |
Tektronix, Inc. |
| Model Number: |
31 |
| Serial Number: |
B052789 |
| Date of Manufacture: |
1973 |
| Manufactured In: |
USA, Beaverton, Oregon |
| Original Price: |
$2,850 Base Price at Introduction |
|
$700 Option 01 Printer |
| Weight: |
32 Pounds |
| Size: |
8 3/4" Wide, 15 1/4" Deep, 6" High |
| Power Requirement: |
100 Watts Max, Jumper Selectable 120/240V AC |
| Display Technology: |
Sperry Gas-Discharge 2- (SP-332) & 3- (SP-333) digit modules |
|
Leading Zero Suppression |
| Logic Technology: |
AMI-made (to Tektronix Specs) LSI Chipset |
|
Part Numbers: (AMI Cxxxx/Tek 156-xxxx-00) |
|
C8684/0235, C8685/0231, C8686/0232, C8687/0233,
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C8688/0234, C1836/0239, C1837/0240, C1838/0242,
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C1839/0237, 2xC1840/0238, 2xC1841/0236, C1842/0243,
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C1843/0241
|
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7400-Series TTL for programmer and miscellaneous logic
|
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Intel 2102 1Kx1 static RAM for program/memory storage
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Two Main Circuit Boards (calculator and programmer)
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Memory board(s) piggyback on programmer board
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| Digits of Capacity: |
10 mantissa, 2 exponent, both with sign
|
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12 digits calculated, 2 guard digits not displayed
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| Decimal Modes: |
Floating and Normalized Scientific Notation
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| Arithmetic Logic: |
Full Algebraic Logic w/heirarchy and parenthesis
|
| Math Functions: |
Comprehensive |
| Constant: |
No |
| Memories: |
Depends on memory configuration: |
|
Standard: 512 Program Steps, 64 Memory Registers
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Option 02: 1024 Program Steps, 128 Memory Registers
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Option 03: 1536 Program Steps, 192 Memory Registers
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Option 04: 2048 Program Steps, 256 Memory Registers
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Option 05: 2048 Program Steps, 640 Memory Registers
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Option 06: 3584 Program Steps, 448 Memory Registers
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Option 07: 5120 Program Steps, 256 Memory Registers
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Option 08: 2048 Program Steps, 1000 Memory Registers
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Option 09: 5120 Program Steps, 640 Memory Registers
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Option 10: 8192 Program Steps, 256 Memory Registers
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Exhibit Machine Equipped with this option
|
| Programmable: |
Yes, Extensive Features |
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Learn-mode program step storage of up to 8192 steps (see Memories)
|
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Complete branching, with labeled jumps
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One-level subroutine capability
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Program-controlled load/store to/from Mag-Tape (Chaining)
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| Peripherals: |
Optional Built-in 16-column thermal printer (Option 01)
|
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Built-in magnetic cartridge tape drive
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External devices via I/O interface (early GPIB-like)
|
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Single ROM pack slot for 'pre-packaged' applications
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Model 152 General Purpose BCD Interface
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Model 153 Tektronix Instrument Interface
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Model 154 RS-232C Interface
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| Performance: |
Add/Subtract: 8ms
|
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Multiply: 15-25ms
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Square: 10-25ms
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Divide, 1/x 15-20ms
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Square Root 30-50ms
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ex: 8-10ms
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Loge(x): 8-10ms
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Sin: 120-140ms
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Cos: 140-160ms
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Tan: 70-100ms
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