リボの手数料の雑な算出

rivo.coffee

ammount = process.argv[2]
each = process.argv[3]
interest = if process.argv[4] == undefined then 15.0 else process.argv[4]
interest_each_month = (interest / 12) / 100

# console.log interest_each_month
# console.log ammount * interest_each_month

i = 0
ammount = ammount - each
ammount_of_commission = 0
console.log '----- ', i, ' ------'
console.log "ammo: ", ammount
console.log "commi: ", ammount_of_commission
while ammount >= 0
  i = i + 1
  commission = Math.round(ammount * interest_each_month)
  ammount_of_commission += commission
  ammount = ammount + commission
  console.log '----- ', i, ' ------'
  console.log "ammo: ", ammount
  console.log "commi: ", commission
  if ammount <= each
    console.log ammount
    break
  ammount = ammount - each


console.log "ammo of commi: ", ammount_of_commission