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Vinony

Barrie Galpin

No biography available.

Works (3)

Cover of Tapping into mathematics with the TI-83 graphics calculator
Tapping into mathematics with the TI-83 graphics calculator
Cover of Computers, topic work and young children
Computers, topic work and young children
Cover of Tapping into mathematics with the TI-80 graphics calculator
Tapping into mathematics with the TI-80 graphics calculator