Overview
About this application
Original description: no English translation was preserved.
Ratio calc make you solve ratio problem. some what [1:2=4:?] . There is 4 boxes. Fill 3 boxes, 1 box make you know answer.
Not tested
No documented test for this app. Device listings below come from the historical Marketplace.
A preserved archive does not mean an available service. An app may depend on a closed website or an API that has changed.