Description
A geometry program for ages 5 to 7, made for classroom use on the BBC Micro.
Provenance
Deposited by Upper Valley Libraries in 2013. The tape had stretched near its start; the first blocks were repaired by hand from the sampled signal. All of the work survives. The repairs are listed in the record’s damage map.
Preservation
- Fixity (SHA-256)
1c2904124412acfe6e18a444534f46df1da9fafc5501c38adfdae793b3834c54- Last verified
- Oct 24, 2026, by Vigil
- Emulation profile
- LZE-BBC-5 · lz-6502 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-BBC-5, from a read-only copy of the recovered image, as it would have on the BBC Micro.
Cite as: Eastport Falls Educational Software, Geometry Explorer (1989). Lazarus Archive, LZ-19903.