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You get the addition and subtraction for free, but you have to upgrade via in app purchase for multiplication or division. It makes sense because those are adva

by koolba 6y ago

You get the addition and subtraction for free, but you have to upgrade via in app purchase for multiplication or division. It makes sense because those are advanced features the average user wouldn’t need anyway.

laurent92 6y ago
Yes, and if the average user really needs it from time to time, they can use + several times.
edgyquant 6y ago
Besides you can multiply for free, just add N number of times. Multiplication is a quality of life improvement, not a necessity