How to use the Research calculator

1. 1

   Choose a research branch

   Pick Growth, Economy or Battle in the Research Center tech tree.

2. 2

   Set current and target research

   Select where you are now and the node you want to reach; the calculator sums every technology in between.

3. 3

   Read resources and time

   See the total meat, wood, coal, iron and steel plus the research time required.

4. 4

   Schedule on double-speed

   Line up expensive nodes with research speed-up events to save days of waiting.