Lloyd's Accumatic 333
Brief History
The Lloyd’s Electronics company, after selling Rockwell’s OEM calculators, due to the calculator (price) war, turned to better quality products from Far East manufacturers. Some of them have unique design, as we can see on Accumatic 333 scientific calculator: although featuring a popular and cheap GI-made circuit and an almost domineering VFD tube, gave the capsule-shaped tilt display and a silver-painted plastic case a futuristic character. The separate keys for trigonometric and inverse trigonometric (arc) functions are also unusual, not to mention the C/CE button in a very strange position.
| Manufacturer: | Lloyd's Electronics, Inc. (USA/Japan) |
| Mfg. date: | 1975 |
| Size: | 8,8×14×2,9 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 8/5+2 digits (input/display) 8+2 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | General Instrument CF596 |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | +/-change sign (direct entry of negative numbers) Ffloating-point notation Sciscientific (exponential) notation Sqrsquare root pivalue of pi (3.1415..) can be recalled 1/xreciprocal trigtrigonometrical functions (sin, cos, tan and inverses: arcsin, arccos, arctan) logexponential and logarithmical functions (10- and e-base) |
| Display: | 9 digit VFD |
| Power: | 4×AA battery or adaptor |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 67.497 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 |
Accumatic 333
Inside of the Accumatic 333
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