-fv is an optional value and refers to a future value or balance that you want to have in your bank, after the last payment is made.
futureValue waa Number ah optional ama Lacagta in qeexan yihiin qiimaha ama lacagta caddaanka ah dheelitirka mustaqbalka aad rabto in aad ka dib markii aad ka dhigay bixinta final.