DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-74 BASICALC
| Date of introduction: | 1986 | Display technology: | LCD dot matrix |
| New price: | $135.00 (SRP 1988) DM 348.00 |
Display size: | 31 (10 + 3) |
| Size: | 3.7" x 8.0" x 1.0" | ||
| Weight: | 11 ounces | Serial No: | 0004996 |
| Batteries: | 4*AAA | Date of manufacture: | mth 04 year 1986 |
| AC-Adapter: | Origin of manufacture: | Taiwan | |
| Precision: | 13 | Integrated circuits: | CPU: TMC70009 ROM: HN61256 RAM: HM6264 |
| Memories: | 8kB RAM, 32kB ROM | ||
| Program steps: | Courtesy of: | Joerg Woerner | |
| Download leaflet: | 
(US: 1.7 MByte) |
The
TI-74 BASICALC is a mixture of the earlier CC 40 Compact Computer and a
conventional calculator. You have both a BASIC-language computer with a total of 8
kByte memory and a calculator mode with algebraical input and immediate output
on the huge alphanumerical display. The other features of the TI-74 are similar
to its sibbling TI-95 PROCALC. You may install RAM or ROM-cartridges in the
expansion port or connect the PC-324 printer to the
computer. The maximum capacity of the TI-74 BASICALC is 16 kByte of memory.
| Part | New price | Description |
| PC-324 | $115.00 (SRP 1988) | 24-column thermal printer |
| AC9201 | $19.00 (SRP 1988) | Mains adaptor for PC-324 |
| TP-324 | $6.00 (SRP 1988) | Thermal paper for PC-324 |
| CI-7 | $35.00 (SRP 1988) | Cassette Interface |
| CM-8 | $50.00 (SRP 1988) | 8k Constant Memory Module (RAM) |
| Mathematics | $50.00 (SRP 1988) | Library (ROM) |
| Statistics | $50.00 (SRP 1988) | Library (ROM) |
| Learn Pascal | $50.00 (SRP 1988) | Library (ROM) |
| Finance | $50.00 (SRP 1988) | Library (ROM) |
| Chemical Engineering | $50.00 (SRP 1988) | Library (ROM) |
| TI-892F | $114.95 (SRP 1988) | 32k programmed EPROM Module (First) |
| TI-892D | $84.95 (SRP 1988) | 32k programmed EPROM Module (Dupl.) |
| TI-892E | $76.95 (SRP 1988) | 32k programmed EPROM Module (Bulk) |
A
detailed picture of the internal printed circuit board (PCB) could be found here.
Compare it with the PCB of the earlier
CC 40.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, December 5, 2001. No reprints without written permission.
