Apps Like Essential Calculator for iPhone and iPad
Solve equations with one tap
Solve mathematical equations with a minimalist interface. Input expressions using a basic layout. View results instantly on iPhone or iPod touch. No additional features or complexity.
by Jonathan Sutter★ 4.08 ratingsUtilitiesFreeData updated 2026-09-11
Calculator+++ allows users to input data via Add X, Add Y, and Add f buttons. Perform statistical analysis, regression, probability distributions, confidence intervals, and hypothesis tests. View results directly without needing a manual.
Calculate proportions using direct and inverse methods. Input known values to find unknowns in equations like "If X Foo equals Y bla, then Z Foo equals [?] bla". Solve for price, quantity, or other proportional relationships.
Solve problems by snapping photos of equations or questions. Receive step-by-step explanations and solutions. Track progress and review detailed breakdowns of problem-solving methods.
Pendulum motion governed by differential equations.
The app solves differential equations for a double pendulum using the Runge-Kutta method. Users can influence the pendulum's movement by positioning their device.
Calculate power, voltage, resistance, and current using Ohm's Law. Enter any two values to instantly receive all results. Switch between Watts, kiloWatts, and MegaWatts. Clear fields with a button. Share results via built-in sharing.
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Estimate trucking needs, speeds, and compaction requirements. Calculate material quantities and job timelines. Optimize site layout to improve efficiency and ensure smooth pavement results.
Perform calculations with real-time updates as you type. Switch between multiple tabs for different calculations. Handle with precision using advanced algorithms.
Solve math problems with step-by-step explanations. Input equations for instant solutions. Access algebra, calculus, and trigonometry support. View detailed breakdowns to understand problem-solving methods.
Calculate BMI, BMR, and fat percentage with instant results. Input personal details to get accurate measurements. Track health metrics over time for better understanding. Share results with healthcare providers if needed.
Track daily habits with a minimalist interface. Set and monitor goals for routines, wellness, and personal development. Add notes, view progress over time, and receive reminders without distractions.
Calculator allows users to perform basic arithmetic operations. It features a clean interface with minimal buttons. Users can add, subtract, multiply, and divide numbers.