Not released. Calculates energy costs, lets you evaluate potential savings from adding insulation or completely changing your heating system (i.e., gas to oil).
Heating System Analyser
The Authoritative Website for Timex/Sinclair Computers
The Authoritative Website for Timex/Sinclair Computers
Not released. Calculates energy costs, lets you evaluate potential savings from adding insulation or completely changing your heating system (i.e., gas to oil).