Pay $0.99 to add. $9.99 for the equals sign. The world's first paywalled calculator — a satirical parody of gaming microtransactions. CalcByEA is a fully functional web calculator where almost every button is locked behind a paywall. You buy DLC packs to unlock basic arithmetic. 0 is free. Everything else costs money. 4.2M+ operations executed. $12,860 spent. Built as a mirror to EA's monetization model. No subscriptions. Browser-based. Try to add 1 + 1 for free.