1. JRC EUROPEAN COMMISSSION Using the downloadable calculator to estimate postharvest losses À l'aide de la calculatrice téléchargeable pour estimer les pertes post-récolte

2. What we will cover  The advantages of the downloadable calculator  How to add data to the calculator  How to keep the calculations for several estimations of loss from different locations or different crops.  How to alter the PHL profile default values What we will cover

3. Advantages of the downloadable calculator The downloadable calculator lets users enter their own figures. They can:  Work at whatever geographical scale is relevant  See all the details of the calculation  Assess the reliability and see the origin of data  Record multiple estimates and obtain weighted average PHLs Utilisant la calculatrice téléchargeable

4. The downloadable calculator – front page Change language Open calculator You can change the default figure (in red)

5. …………..changing the defaults You can change any of the default figure (in red) Wait for calculation to complete watch bottom of screen If no production then must have a zero entered

6. ……… observing the calculation PHL profiles for large-scale small -scale maize farming in Cwa climate Cumulative annual loss for one season

12. Adjustable calculator With a personalised profile 8.0 5.0 3.0 4.0 2.0 1.0 4.0

14. Conclusions  The downloadable calculator is available to give estimates at a scale below province  Add your own data to the calculator easily  You can accumulate estimates and weighted average are provided  A special version is available to add your own PHL profile values