2. Select D4 to E45
3. Choose Insert and then the dot graph
4. Place the mouse on one of the dots and right click
5. Choose Add Trendline
6. Check "Show comparison in graph"
7. You now have the formula for the line. For example: y=0,0015x+19,485
The target RTR is then 1,5 per 1000 J/cm²
The base temperature is 19,5 °C
8. In IIVO you set this as follows: