Performance · Worldwide
Downloads & Revenue estimates
Monthly, by storefront, with daily history
Rating · WW
4.5★
2 ratings
Chart position
Apple's Top Grossing chart — all apps ranked by revenue (purchases + subscriptions).
Ratings count — US
Listing
This app is designed for wastewater operators and engineers who need easy to use formulas for daily lab work or troubleshooting problems. There are over 75 formulas for calculating wastewater processes. The formulas are organized by process type. This app only uses English measurements. Answers can be emailed. You can view an online demo at h3apps.com.
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