Apps Like e-calcFree for iPhone and iPad
Calculate with scientific and engineering notation
Perform scientific and engineering calculations with support for notation like 1E-6 and multipliers such as p, n, u, m, k, M. Edit formulas, recalculate, and view calculation history.
e-calcFree screenshots
Ranked alternatives
Showing 561–580 of 1,000 ranked alternatives.

RCircuitCalc
TAKAHIKO FUKUYAMA
Calculate electronic circuit resistance values.
The app calculates standard resistance values for electronic circuits based on E-series numbers. It supports voltage dividers, series, parallel, and combination circuits, with options for resistance ratio or output voltage priority.

CalcEngineer
Justin Bush
Calculate CFM, size compressors, analyze pressure drops
Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.

Area Calculator Pro +
Nicolas Schotten
Calculate between map pins
Calculate areas between map pins. Create and move pins to adjust the . Locate yourself and add pins with one click. Search for places. Save and load data. Choose between standard, satellite, and hybrid map views.


Unit Converter Expert
Mehta Group Ltd
Convert units, save favorites, track conversions
Convert units across five categories with instant access to favorites. Switch between measurement systems. Perform calculations for area, volume, and temperature. Save frequently used conversions for quick access.








Rolled Paper Calculator PRO
Taizo Yamamoto
Next generation calculator experience now.
The app provides a calculator experience that replaces traditional functions with a new paper tape. Users can scroll the tape, touch earlier entries, and email calculation results.

Second Moment of Area
Kei Suefuji
Calculate for cross sections
Calculate the , radius of gyration, and section modulus for selected cross-sectional shapes. Choose from 20 shapes, input dimensions, and view results. Used in machine design, construction, and civil engineering.



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