Lazarus Archive · LZ-22313

Basalt Grid 2.5

Egret Software, 1989. Application software for the Commodore 64.

Description

A spreadsheet for the Commodore 64, written by Egret Software for small businesses.

Provenance

Found in a school storeroom when the building was cleared. The tape had stretched near its start; the first blocks were repaired by hand from the sampled signal. Independent reads agree bit for bit.

Preservation

Fixity (SHA-256)
3e5505790afbcadb670e4f527a2108a19a005d929a464468e0b27e3127493996
Last verified
Oct 30, 2026, by Vigil
Emulation profile
LZE-C64-9 · lz-6510 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. The license does not permit copies to be taken away.

In the reading room it runs in emulation under profile LZE-C64-9, from a read-only copy of the recovered image, as it would have on the Commodore 64.

Cite as: Egret Software, Basalt Grid 2.5 (1989). Lazarus Archive, LZ-22313.

Also by Egret Software

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