| . |
Texas Instruments SR-10 |
| . |
| Datasheet | Years of production: | · | Display type: | 7-segment |
| New price: | · | Display color: | Red | |
| · | · | Display technology: | LED | |
| Size: | 6½"×3"×1½" | Display size: | 8+2 digits | |
| Weight: | 10 oz | · | · | |
| · | · | Entry method: | Algebraic | |
| Batteries: | 3*×"AA" NiCd or alkaline | Advanced functions: | N/A | |
| External power: | TI adapter | Memory functions: | N/A | |
| I/O: | N/A | · | · | |
| · | · | Programming model: | N/A | |
| Precision: | 8 digits | Program functions: | N/A | |
| Memories: | N/A | Program display: | N/A | |
| Program steps: | N/A | Program editing: | N/A |
*Older versions of this calculator used 4 "AA" battery cells.
The
SR-10 is a truly ancient Texas Instruments calculator. It is one
of the first "electronic slide-rule" calculators, and predates the first true
scientific calculators from this company. It does, however, have some scientific features,
such as an exponential display and keys for calculating the reciprocal, square, and square
root.
Like other
four-function calculators, the SR-10 doesn't belong to my collection of programmable
calculators. Recently, however, I came into the possession of what appears to be a genuine
SR-10 prototype, as evidenced by the back label of this machine. I have since traded this
calculator for another machine, but it deserves to be mentioned anyway due to its
uniqueness.