Lazarus Archive · LZ-18006

Ibis Calc

Karimi & Korhonen, 1990. Application software for the Commodore 64.

Description

A spreadsheet for the Commodore 64, published by Karimi & Korhonen in 1990.

Provenance

Found in a school storeroom when the building was cleared. Mould on two disk surfaces was cleaned off before imaging. The image matches a checksum published by the original distributor.

Preservation

Fixity (SHA-256)
1395422851caef99c868953f13b5e124f10e4b970eb6e1ee8d07e0241fe66284
Last verified
Oct 1, 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 reading rooms only, under the Lazarus orphan works policy.

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: Karimi & Korhonen, Ibis Calc (1990). Lazarus Archive, LZ-18006.

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