| Type, Precision, Input mode |
Scientific, 8 BCD digits, no exponent, Algebraic |
| Programmable |
No |
| Memory |
None |
| Display |
9 digit 7 segment green LED, one digit reserved for sign |
| Processor |
A single NEC UPD941C. There is a "80-Fa" mark on the circuit
board. |
| Special features |
|
| Original Pricing, Production |
Made in Japan |
| Batteries |
3x AAA |
| Dimensions |
Length 9.1cm, Width 6.1cm, Height 2.2cm |
| Links |
|
| Comment |
There's a similar Lady
version. The Sir was also sold as the Royal 81M.
And there's a more scientific version as well.
|