Hello,

I need help with a formula. I hope it's possible...

Data
Month 1 Month 2 Month 3 Month 4 Month 5 Month 6
A 100 200 300 400 500 600


What I need
Month 1 Month 2 Month 3 Month 4 Month 5 Month 6
100 100+200 100+200+300 200+300+400 300+400+500 400+500+600

Is this possible with some sort of formula?