Thanks

LDR +[PV1-Q] [/PV1-PV2]* (HDR-LDR)




Here
Ldr = Lower Discount Rate
Hdr= Higher Discount Rate
Pv1= Present Value At Lower Rate Of Return
Pv2= Present Value At Higher Rate Of Return
Q = Net Cash Outlay

Nice work mate. Is this formula good? Coz all I know about IRR is through interpolation and or by use of a financial calculator.