Doporučení iOS aplikace ProportionsOf ? 1.0

Na serveru Stahuj.cz je zajímavá iOS aplikace:

ProportionsOf ? 1.0

The ProportionsOf ? is an App that uses the rule of three for calculates the ratio between values. You can calculate, for example, if it's worth buying a promotional product like that: "Buy 70gr of biscuit for € 4.98 or 140gr for € 9.97". Would not it be more advantageous to buy 2 of 70gr instead…

Adresa: https://www.stahuj.cz/produktivita/proportionsof/