Free42 vs OpalCalc
A side-by-side look at Free42 and OpalCalc. For an in-depth review of either product, follow the links below.
Free42
Office & Productivity
Free42 is an open-source programmable calculator app designed to emulate the HP-42S calculator. It provides RPN mode, programming capability, expandability via packages, and accurate emulation of the original HP-42S.
emulatorrpnprogrammablehp42sopensource
OpalCalc
Office & Productivity
OpalCalc is an open-source spreadsheet software similar to Microsoft Excel. It can be used for data analysis, visualization, and reporting. Key features include calculation, graphing tools, and pivot tables.
data-analysisvisualizationreportingcalculationgraphingpivot-tables
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