Lazarus Archive · LZ-30972

Keystone Calc

Banerjee Interactive, 1993. Application software for the Macintosh.

Description

A spreadsheet for the Macintosh, published by Banerjee Interactive in 1993.

Provenance

Rescued from a skip outside a former office in Willowvale Springs. Read in four drives; every sector was recovered by at least one. Everything was recovered, with a few damaged files repaired from a second copy.

Preservation

Fixity (SHA-256)
ae87046f94576423bd2211aba463c2f1a7c16b2585055df6b98c2ea1a4c96d96
Last verified
Oct 22, 2026, by Vigil
Emulation profile
LZE-MACOS-8 · lz-m68k core
Copies
Three, on two kinds of storage, in two cities
Original carriers
Kept in cold storage in Vancouver

Access

Free, in the Lazarus reading room in Vancouver and in partner reading rooms. Copies may be taken away under the work’s license.

In the reading room it runs in emulation under profile LZE-MACOS-8, from a read-only copy of the recovered image, as it would have on the Macintosh.

Cite as: Banerjee Interactive, Keystone Calc (1993). Lazarus Archive, LZ-30972.

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