| Manufacturer: |
Sharp Electronics Corp. |
| Model Number: |
EL-8 |
| Serial Number: |
1067912 |
| Date of Introduction: |
January, 1971 |
| Date of Manufacture: |
February, 1971 |
| Manufactured In: |
Japan |
| Original Price: |
$345 |
| Weight: |
1 5/8 Pounds |
| Size: |
Approx. 6 1/2" Deep, 4" Wide, 2 3/4" High |
| Power Requirement: |
External Power Pack for AC Operation and Battery Charging, Model EL-81 |
|
3.1 Watts, 120VAC 50/60Hz, Internal NiCd Rechargeable Battery Pack, 7.2V DC |
| Display Technology: |
Iseden Itron eight-Segment Vacuum-Fluorescent Tubes |
| Logic Technology: |
Rockwell-fabricated, Logic design by Sharp. LSI chip set, four chips |
|
NRD2256(Timing/Keyboard Input/Display Generation), AC2261(Control Logic), |
|
DC2266(Decimal Point Management), AU2271(Arithmetic Unit/Register Store) |
|
Bipolar clock generator (CG1121) and small-scale MOS glue logic IC's
|
| Clock Frequency |
45KHz 2-Phase Derived from 90KHz master oscillator |
| Digits of Capacity: |
8 |
| Decimal Modes: |
Automatic Floating Decimal |
| Arithmetic Logic: |
Arithmetic for addition/subtraction |
|
Algebraic for multiplication/division |
|
Unique Dual Function Multiply/Divide Key |
| Math Functions: |
Four Function |
| Constant: |
No |
| Memories: |
None |
| OEM Versions: |
Facit 1111 |
|
Addo-X 9364 |
| Notes: |
First "Handheld" rechargeble battery-powered electronic calculator |
| Advertising: |
Video: Early TV Ad [30.3M MPEG-2] |
|
Video: Another Early TV Ad [27.8M MPEG-2] |