Time Calculator: Add, Subtract
Phan Nhat Đang
Calculate differences and durations
Calculate durations between dates and times. Add or values from a starting date. Adjust values directly. View results clearly without complex settings.
Apps Like BasicATTCalc for iPhone and iPad
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Ranked alternatives
Showing 61–80 of 1,000 ranked alternatives.
Calca
Krueger Systems, Inc.
Calculate and write with math
Solve equations and simplify expressions instantly as you type. Create and manipulate variables and functions with few keystrokes. Edit Markdown text to explain calculations and ideas. Share results and export calculations in various formats.
Duct Calculator Elite
Cyberprodigy LLC
Calculate size, velocity, and pressure drop
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.
Rafter Help
Armchair Engineering
Calculate roof pitch and length
Calculate length and associated values for gable roofs. Input room width and ridge height to determine pitch, lengths, and ridge height. Use advanced options to enter pitch in radians, degrees, DMS, or rise/run.
Production Time Study
Gustavo Sousa
Edit entries and track stopwatch intervals
Record cycle times for industrial tasks using a stopwatch with decimal precision. Edit studies, add up to 50 cyclic elements per cycle, and start recordings directly. Track manual tasks and machine cycles for analysis.
SLD | Electrical diagrams
Angel Martinez
Create with drag-and-drop symbols
Create one-line using standardized symbols. Select and drag symbols to arrange . Includes IEC and ANSI symbols for engineering. Add circuit breakers, switches, fuses, and other components. Save and export .
Pipe Flow Wizard - Calculator
Daxesoft Ltd
Calculate rate and pressure loss
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.
Physics Toolkit
Electronial
Calculate formulas and values
Perform calculations using built-in formulas and calculators for displacement, acceleration, Newton's second law, gravitational acceleration, Hooke's law, momentum, work, density, kinetic energy, potential energy, elastic energy, electric power,
Max Zs Values
Pro Certs Software Ltd
Calculate and look up maximum Zs.
The app calculates and looks up maximum permitted Zs values. It includes 80% temperature adjusted values and some MCCB 60947-2 manufacturer Zs charts for BS 7671 18th Edition.
Currency & Unit Converter #
An Truong
Convert units across 400+ measurements
Convert units across 20 categories with over 400 options, including mixed units like feet and inches. Add widgets for quick access. View conversion history and share results.
EZ Calculator 2021
Corntree tech Co.Ltd
Calculate, edit, and track numbers
Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.
RF Haversine - Radio Profile
Cristinel Bontas
Radio propagation and profile analysis tool.
The app calculates radio budget based on terrain profile and radio parameters. It computes earth bulge, diffraction loss, and attenuation loss for O2 and vapor.
Calculator M+
Inbo Tasarim ve Danismanlik LTD
Calculate, store, and review equations
Perform complex calculations with a sleek interface. Store and recall values using memory function. Review calculation history for accuracy. Switch between scientific and basic modes. Adjust display settings for clarity.
Watts Amps Volts Calculator
Pro Certs Software Ltd
Calculate , , and
Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.
RF Haversine Lite - Radio Link
Cristinel Bontas
Calculate budget and analyze propagation
Calculate budget between two locations. Check locations on a map. Compute Fresnel Radius, Earth Bulge, and attenuation loss for O2 and vapour. Determine fade margin. Export results as text or PDF.
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