$396 per kit (members only)
$330 membership with kit
- Use our Order Form or send your school purchase order to:
Black Douglas Professional Education Services
8 Greenbank Drive
T: +61 3 9726 8316
F: +61 3 9727 4644
- Already a member and purchased at least 20 Poly Plug in the past?
...Order the manual ($55) & CD ($38·50) separately AND extra Poly Plug at the special rate.
- Outside Australia?
...Please contact us for a quote.
1. Calculating Changes membership is a once only fee.
2. Please include an email address on the order.
3. Prices do not include freight.
WMI has been constructed to support in-house professional development. We are also available to provide programs stimulating the use of Calculating Changes through your school:
See PD Progams and contact Doug. Williams as shown.
Members can also order
- additional Poly Plug for $11 (normally $13·50)
- additional manuals for $27·50 (normally $55)
- and the CD may be copied to the school server for teacher access