errProof vs Swift Calcs
A side-by-side look at errProof and Swift Calcs. For an in-depth review of either product, follow the links below.
errProof
Office & Productivity
errProof is a data validation and error prevention tool for Microsoft Excel. It helps ensure accurate data entry by defining validation rules, conditional formatting, input masks, and drop downs.
data-validationerror-preventionexcel-addin
Swift Calcs
Office & Productivity
Swift Calcs is a free, open-source calculator app for iOS. It features a simple, clean interface and offers basic, scientific, and programmer calculator options. Swift Calcs is lightweight, customizable, and supports themes.
calculatormathopensource
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