A utility calculator that adds memory functionality to standard calculations. Designed to make your device's calculator more helpful by remembering previous results.






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Cotton Gin Air Calculator is great, but it's not the only option. Explore 56+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.






A utility calculator that adds memory functionality to standard calculations. Designed to make your device's calculator more helpful by remembering previous results.






This scientific calculator offers a colorized text view for formulas, allowing for individual calculation sheets and easy memorization of results. It features a customizable constants pool, VAT calculator, and cloud synchronization for seamless use across devices. Accessibility and team collaboration are also emphasized.

This utility app assists engineers and technical personnel in calculating system parameters for slurry pipe and pump sizing. It computes required head pressure and limiting settling velocity based on user-inputted system data. The tool aims to simplify the selection process for slurry pumps.


This utility app helps engineers and hobbyists calculate resistor values for circuits using the Timer IC 555. Simply input frequency, duty ratio, and capacitor values to get the required resistor outputs.


This app provides a comprehensive collection of HVAC formulas for technicians. It simplifies complex calculations for heating, ventilation, and air conditioning systems, saving time and effort compared to manual methods or general calculators. Designed by an industry professional, it offers an easy-to-use interface for quick access to essential formulas.


Control your home's heating system remotely to optimize energy consumption and maintain comfort. Program temperatures room by room, adjust settings on the fly, and utilize special functions for events or absences.


Calculate volumetric flow based on pipe diameter or flow velocity. Adjust values in a 3D graphic or numerically. Features an integrated unit converter for various measurements, supporting both metric and imperial systems.


This utility app calculates essential parameters for pressure vessels, including minimum thickness, maximum pressure, and remaining operational life. It provides engineers and technicians with critical data for safety and maintenance.


This app connects to a wireless adapter to measure airflow velocity, volumetric flow, temperature, and relative humidity. It allows adjustments for ducting and offers averaging options for readings.


Capture real-time images from your device's TrueDepth camera, especially in low light. Explore your face from different angles, switch between 2D and 3D views, and save 3D photos. Browse your saved 3D face images in a dedicated folder.