Apps Like OhmPro for iPhone and iPad
Calculate voltage, current, and resistance
Calculate electrical values using Ohm’s Law and related formulas. Input voltage, current, or resistance to determine missing variables. Access circuit diagrams and safety guidelines. Convert units between volts, amps, and ohms.
Ranked alternatives
Showing 381–400 of 1,000 ranked alternatives.
Rigging Load Calculator Tool
Prakash Solanki
Calculate sling tension, length, and angle anytime
Calculate sling tension, length, and angle with precise formulas. Input weights and angles to determine required sling strength. Generate reports and save calculations for future reference. Sync data across devices for consistent project management.
SciGraph Calculator
Jeffrey Yambao
Solve equations and graph functions
Solve complex equations with trigonometry, logarithms, powers, and factorials. Graph functions instantly in DEG/RAD mode. Switch between scientific and graphing modes. Store and recall equations. Export graphs and calculations.
Star Girl Calculator
Totally Apps Holdings Limited
Calculate, track, and manage finances
Manage finances and track spending with basic functions. Compute mathematical expressions. Customize themes, backgrounds, and keyboards. Perform calculations in a stylized, themed interface.
International Steam Tables
Hans-Joachim Kretzschmar
Access properties and calculations
Calculate thermodynamic properties of water and using the IAPWS-IF97 formulation. Input temperature and pressure to determine enthalpy, entropy, and density. Access supplementary standards for backward equations. Export results in tabular format.
MultiDeco
HHS Software Corp.
Plan dives with decompression models
Calculate decompression stops using VPM-B, VPM-B/E, ZHL-16, and ZHL-16 + GF models. Input gas mixtures including nitrox and trimix. Plan decompression for open circuit and closed circuit rebreathers. Include bailout options with SCR and OC legs.
Chroma Calc Pro
Mustafa Kilic
Calculate, edit, and customize equations
CALCULATOR provides basic arithmetic with history and memory functions. It includes scientific operations like trigonometry, logarithms, and exponents. Users can customize themes, adjust font sizes, and save frequently used equations.
Solar Calibrator: PV Installer
Fawzi Fakhro
Calibrate panels, size batteries, calculate wire gauges,
Helps installers and DIYers calculate panel angles, size battery banks, and determine wire gauges. It generates professional PDF quotes and includes a compass for precise alignment with True North/South.
McDantim EasyBlend Calculator
McDantim, Inc.
Calculate gas blend for beverage dispensing
Calculate optimal CO2 and nitrogen blend ratios based on beverage temperature, keg pressure, CO2 content, elevation, and existing gas blend. Determine suitable pressure ranges for dispensing draught beverages.
Plumbing Formulator
Historycentral.com Inc
Professional calculator for plumbing and HVAC.
The app offers over 200 formulas and tools for plumbing, HVAC, and mechanical contractors. It includes calculators for water flow, piping, drainage, water heaters, pumps, gas, medical gas, pools, septic, and thermal expansion.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.