Aurora CB-900
| Manufacturer: | Aurora Co., Ltd. (Taiwan) |
| Mfg. date: | 1983 |
| Size: | 15,2×6,5×0,7 cm |
| Weight (ready for operate): | 81 g |
| Type: | four-function |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | NEC D1833G |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 3 memory (with aritmetic) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) AddAdd mode: the last two digit will be the fraction Ffloating-point notation |
| Display: | 8+1 digit LCD |
| Power: | 2×LR41 button cells |
CB-900
Inside of the CB-900: the PCB with the NEC IC and LCD display