This calculator deals with a linear number sequence - a set of values where every consecutive one differs by the same amount from the previous one. An example would be 20, 23, 26, 29 - it's a sequence of
4 numbers, with
20 as the initial value,
3 as the difference between successive figures,
29 as the final value and
98 as the sum of all numbers.
We're selling photo storage in the cloud. Customers pay us an amount of money that's directly proportional to the amount of data that they upload -
$1 per 1 Gigabyte. Alice initially uploads
5GB of family photos and then adds
2GB per month. We want to know how much she stores after a year and how much her business is worth to us during that time. Below you'll find a table with all the values and a pre-filled calculator widget.