Apps Like EngToolBox for iPhone and iPad
Learn, track, and secure notes
Multi-purpose calculators for basic math and advanced engineering functions. Track stress with a secure journal using Keychain security. Access all features offline. Store data locally with no cloud syncing. Set a PIN for journal access.
EngToolBox screenshots
Ranked alternatives
Showing 241–260 of 1,000 ranked alternatives.
MicroWave Calculator
Keysight Technologies, Inc
Calculate measurement errors
Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.
GO-21 SciRPN
Steve Lidie
Calculate using RPN and stack registers
Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.
Archimedes Calculator
Patrick Pijnappel
Pick formulas, calculate results
Solve equations and plot graphs with precision. Access a formula library to input and calculate formulas with automatic unit support. Find intersections, integrals, and derivatives through intuitive plotting features.
Boating Calcs
Calculated Industries, Inc.
Calculate metrics and units
Perform calculations and unit conversions with over 120 formulas. Save and retrieve calculation results. Add frequently used calculators to a favorites list. Email calculation inputs and outputs. Search for specific calculations or references.
Calculator: Money & Tools
Arpit Kakadiya
Calculate, convert, and plan with precision
Perform complex calculations, convert units, and manage dates. Calculate financial figures, solve equations, and track progress. Save frequently used formulas and access a scientific . Share results via email or copy to clipboard.
EazyCalc
TA MINH QUANG
Track calculations and annotate steps
Perform calculations with a minimalist interface. View intelligent calculation displays and track results through annotation features. Adjust font options in future updates.
M9 Scientific Calculator Graph
Himanshu Nag
Edit equations, functions, calculate measurements
Perform advanced calculations with formula editing and recalculation. Generate graphs for complex equations. Support for engineering and computations. Includes graphing capabilities for mathematical functions.
Base Converter Simple
Pierluigi Solimena
Convert numbers between decimal, binary, hexadecimal,
Convert numbers between decimal, binary, hexadecimal, and octal systems. Input integers from 0 to 2^31-1. Perform conversions in both directions. Display results in selected number formats.
My Physics Calculator
V PUGAZHENTHI
Calculate and engineering parameters
Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.
Hex Calculator Pro
Nguyen Van Huu
Convert numbers between systems
Hexadecimal and binary calculators allow users to perform arithmetic and bitwise operations. Convert between number systems and view results in decimal, hexadecimal, and binary formats. Save and share calculation history.
U Scientific calculator
EONSOFT
Edit equations, calculate functions, solve complex problems
Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.