Best Qoreng Apps & Games

PCalc Lite

The Best Calculator

Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

PCalc

The Best Calculator

$9.99

A powerful calculator app for scientists, engineers, students, and programmers with features like RPN mode, multi-line display, unit conversions, constants, paper tape, undo/redo, and support for various calculation formats. Also available on Apple Watch for convenient wrist calculations. Try it now!

CALC Smart Calculator ±

Basic « Scientific » Advanced

Free

$5.99 | 100% OFF

Try CALC Smart Calculator ± for a versatile and reliable calculating tool. From basic to advanced functions, it's trusted by scientists, professionals, and students. See why it’s Apple-Featured in Utilities and Calculate categories now!

Bell & Gossett - SystemSyzer

by Xylem Inc.

Free

This HVAC tool helps with piping system design, offering various calculators for friction loss, velocity, and fluid conditions, as well as tools for valve settings and flow determination. Try it out to streamline your system design and balance processes.

Calculator-Math Toolbox

Edit process & Manage history

Free

A versatile calculator app that enables users to perform various mathematical operations with ease. Simplify your calculations on-the-go with this user-friendly tool!

▸ Calculator +

Scientific Calculator

$1.99

Explore the ultimate scientific calculator with 800 formulas in the Formula Toolkit In-App, over 1 million worldwide downloads, and 12 calculators for various functions including currency and unit conversion, finance, statistics, and more. Simplify your calculations with this award-winning calculator since 2007.

Linpack

by Alexey Solovyov

Free

This application measures a system's floating point computing power by solving a dense system of linear equations and reports the result in millions of floating point operations per second. It provides detailed results, including time taken, norm residual, and precision, to evaluate the system's performance.

Engineering Unit Converter

by Vector 254 LLC

Free

This powerful unit and currency converter app allows users to easily convert between various units, perform calculations, and access physical constants, all with a customizable and user-friendly interface. With its versatile features, including a built-in calculator and conversion tools for mass fractions, mole fractions, and thermocouples, users can streamline their workflow and boost productivity - try it out today!

Figure calculator ShapeInfo

Geometric shape calculator

Free

This geometric shape calculator helps users calculate lengths, angles, and areas of various shapes, including triangles, circles, and ellipses, as well as volumes of 3D objects. Simply choose a shape, enter values, and get instant calculations, making it a useful tool for students, engineers, and professionals.

HP 15c Calculator

Official emulator of HP 15c

$14.99

Embrace the legacy of the iconic HP 15c Scientific Calculator with this authentic app for iOS devices. Experience the original features, algorithms, and RPN functionality ideal for math and engineering professionals.

MathStudio Express

Symbolic graphing calculator

$4.99

A powerful symbolic graphing calculator application offering a wide range of mathematical functions for students, teachers, and engineers. Features include graphing, equation solving, regression analysis, and a fast computer algebra system. Transform your mathematical experience with MathStudio Express today!

Schnittkraftmeister

by TU Graz

Free

This application is a serious game designed for aspiring engineers to practice identifying internal force diagrams in structures under static external loads. Players are presented with three possible diagrams and must quickly choose the correct one to earn points, with incorrect choices ending the game and losing all points for that level.

Calculator for Pad

No ads & Scientific calculator

Free

Calculator for Pad is a versatile and ad-free app that simplifies calculations for users on their tablets. Download now for efficient and hassle-free math computations.

Statistics Calculator--

by Dogahe

Free

This statistics calculator app offers a simple and intuitive interface for performing statistical analysis, regression models, and advanced scientific calculations, with the option to upgrade to a full-featured version through in-app purchases. With its user-friendly design, you can easily enter data, calculate statistics, and view results in a table, and unlock additional features like probability distributions and hypothesis tests with a single purchase.

Calculate84 Plus

Intended for use with TI-84

Free

A comprehensive calculator app designed for use with TI-84, allowing users to graph functions, perform advanced math calculations, create tables, and conduct statistics easily. Access a wide range of features including graphing multiple functions, statistics analysis, matrix operations, and an extensive command catalog. For more advanced capabilities and functions, subscribe to unlock additional features.

FE Other Engineering Exam Prep

NCEES EIT Fundamentals Review

Free

Prepare for the NCEES FE Other Disciplines Engineering exam with comprehensive flashcards, practice questions, and detailed explanations. Download the free version today and upgrade to the Premium Version for full access to 780+ study materials and pass the exam with confidence.