Accession No

6591

Brief Description

EC-4021 programmable scientific electronic pocket calculator, by Tandy, English, c. 1990

Origin

England (but made elsewhere?)

Maker

Tandy

Class

calculating

Earliest Date

1980

Latest Date

1999

Inscription Date

Material

plastic; metal; paper (paper, card)

Dimensions

135mm (height) x 77mm (width) x 11mm (depth)

Special Collection

Provenance

Donated by an individual on or before 15/10/2009.

Inscription

TANDY

Description Notes

EC-4021 programmable scientific electronic pocket calculator, by Tandy, English, c. 1990.

Tandy EC-4021 programmable scientific calculator with 10-digit display and brushed metal design. Cat. no. 65-394. Functioning at time of accession. Calculator is inside a plastic case with pocket on inside flap. Comes with instruction booklet, case and box. 125 page instruction booklet containing guidance on (as per the contents list) instructions and basic definitions; calculation range and scientific notation; overflow or error check; replacing the batteries; normal calculations; function calculations; standard deviations; programming; applications; specifications and maintenance. The final page is a warranty.

Condition: good, complete

References

Events