Apps Like Geo-Matrix for iPhone and iPad
Ranked alternatives
Showing 541–560 of 1,000 ranked alternatives.



Rainfall Calculator
Tan Chia Ling
Calculate rainwater harvest, savings, and tank size
Calculate annual rainwater harvest in liters or gallons using catchment area and depth. Input units can be customized with decimal precision. Copy results to other apps and access formula references for accurate calculations.

StemFox Scientific Calculator
Joshua Bryson
Calculate and complete engineering tasks
Perform complex calculations with a supporting trigonometry and Bessel functions. Access over 80 mathematical functions and quick references for basic operations. Solve equations efficiently for engineering tasks.

GasTech Calculator Pro
Maksymilian Lopatowski
Calculate gas volumes and pressures
Volume to energy converter calculates gas volume to energy with temperature and pressure adjustments. Professional pipe sizing uses BS 6891:2015 standards for accurate sizing. Includes 9+ calculators for gas engineering tasks.


Flow Rate Conversion
Tan Chia Ling
Convert rates between units
Convert rates between volume-based, mass-based, and mole-based units. Input values and select units for . Display results in standard and scientific notation. Save and share converted values.




A-Truss3D Pro
Jutarus Ratanasethakul
Analyze truss structures with 3D graphics
Allows users to analyze space trusses using the Stiffness Matrix Method. It displays node displacements, member axial forces, and stress values. Users can check equilibrium by comparing loads, reactions, and moment arms within 3D model.


Quickfem - 2D Finite Elements
Finite Elephants Ltd
Build, analyze, and visualize 2D models
Perform structural analysis with 2D element modeling. Create and modify models directly on mobile devices. Apply constraints, loads, and materials. View stress and deformation results. Save and share project files.


Spill Calc Lite
Kelly Gayneaux
Estimate by shape and measurements
Estimate surface volumes by selecting shape and entering measurements. Calculate results in barrels and gallons. Supports tank displacement for rectangle and square spills. Includes a modern UI and Help & About screen for guidance.

CraftCalc
Yong Tze Chi
Calculate fractions and mixed numbers
Calculate fractions and mixed numbers without converting to decimals. Perform addition, subtraction, multiplication, and division. Convert between fractions and decimals. Input measurements for precise calculations.

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