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Calculators: Handheld: Mustang 3000
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| Size (approx): |
70mm
(max) x 134mm x 24mm (max) (w,h,d) Weight 68g excluding batteries. |
| Power: | 9.0V DC, 1 x PP3 size battery. Also accepts adapter/charger (undefined) through a left side socket about a third of the way down. |
| Case: | Cheap feeling two piece shiny black plastic case. Edges are a bit sharper than you would normally expect. It has brushed aluminium panels for the brand / model info above the display and keyboard surround below. The body is titled up towards the back and widens at the top to accommodate the 9V battery. Cheap battery terminals are just two metal tags rather than a proper 9V battery connector. The red plastic display filter is flat and flush but gives a decent, if narrow view. Buttons make a positive loud click. Blue and black colour scheme of keys reminiscent of a Texet calculator. On/off sliding switch on the right side, in line with the display. |
| Display: | 8 digit red LED with no ninth digit |
| Features: | Basic four function with percentages, change sign and four-function memory. |
| Age: | 1980 |
| Manufacturer: | Serial Number D630321. Made in Hong Kong. |
| Comments: | The fact that this calculator has a CS button for change sign means it is very very likely to be a Texet calculator. Cheaply made but works well enough. See the Same Calculator page for more clones. |
| Components: | 1 x IC: Texas TMS0972NL 8044
(week 44 of 1980), 28 pin DIL, 0.6" width 1 x 8 digit LED module with individual bubble lens |
| Boards: | As basic as you can get with one main board (TILED 0972) set with two plastic pillars. Connects to the keyboard assembly via 10 long copper wires. |
| Construction: | Difficult top open as this was never designed to be repaired. There are numerous plastic lugs along all the edges. Best success was found starting at the top pushing the upper section inwards. If in doubt -don't do it! |
| Logic comments: | My example not operational |
