Best Sigma By 472 Apps

Scientific Calculator fx-991

Step-by-step Math Solver

Free

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

Read by QxMD

Personalized Medical Journal

Free

Access and organize the latest medical research and topic reviews in a personalized digital journal. Stay updated with new scientific findings and easily retrieve full-text PDFs from PubMed and other sources.

Penbook: Paper Planner & Notes

Handwritten Course & PDF Notes

Free

Create custom digital notebooks with a vast library of stationery or import your own PDFs for annotation. Write naturally with a stylus and organize your notes with dynamic features like live planners and searchable handwriting.

Desmos Scientific Calculator

by Desmos, Inc.

Free

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Papers by ReadCube

by Digital Science & Research Solutions Inc.

Free

Manage, read, and discover research literature on your mobile devices. Annotate PDFs, organize your library with custom lists and tags, and receive personalized recommendations for new papers. Syncs seamlessly with desktop and web applications.

WolframAlpha

Knowledge, Homework, Calculate

Free

This app serves as a powerful computational knowledge engine for homework and research. It offers comprehensive support across numerous academic subjects, from math and physics to biology and economics. Unlock advanced features like step-by-step solutions and photo input for a more in-depth learning experience.

MATLAB Mobile

by The MathWorks, Inc.

Free

Access MATLAB commands, create and edit files, and visualize data from your mobile device. Connect to the cloud for expanded storage and access to add-on products. Acquire data from sensors and your camera for real-time analysis.

Molecules

by Sunset Lake Software

Free

Explore and interact with 3D molecular models on your device. Rotate, zoom, and pan structures using intuitive touch gestures. Visualize molecules in different modes and load custom structures from various sources.

Aktiv Learning

Chemistry & Math

Free

This platform offers dynamic problems and interactive tools for college-level chemistry and math. It helps students visualize abstract STEM concepts and provides instructors with real-time insights into class understanding. Features include a mobile-friendly Lewis structure drawing tool and over 250 practice questions.

Six Sigma Green Belt Exam 2026

CSSGB ASQ Test Questions Prep

Free

This mobile study companion helps you prepare for the Six Sigma Green Belt certification exam with up-to-date practice tests, a vast question bank, and customizable study plans. Download the app to access interactive learning materials, track your progress, and simulate the real exam experience to boost your chances of success.

Zotero

Your research assistant

Free

This research tool helps you collect, organize, annotate, cite, and share your academic and professional work. Save articles, books, and webpages, add notes and highlights, and generate bibliographies in thousands of styles. Collaborate with others and sync your library across devices.

DigiKey

Components and parts

Free

Access a vast inventory of electronic components on the go. Find, order, and track parts with features like visual search, barcode scanning, and offline datasheet access. Registered users get enhanced order management and shipping notifications.

EMD PTE

by Merck KGaA (Darmstadt, Germany)

Free

This comprehensive mobile reference work provides detailed information on all chemical elements. It features a molar mass calculator, interactive visualizations, and offline access, making it an indispensable tool for students, educators, and chemistry enthusiasts.

Chemistry News by C&EN

by American Chemical Society

Free

Access daily chemistry news and weekly magazine issues optimized for mobile. Stay updated on research, business trends, and career guidance in chemistry. Read downloaded articles offline and bookmark stories for later.

Graphing Calculator X84

Designed for use with Ti-84

Free

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

Chem AI - Chemistry Solver

Homework Helper, Answers

Free

Instantly solve any chemistry problem with step-by-step explanations. Upload or photograph your questions, and get detailed solutions for various chemistry topics, from high school to advanced research. Offers a free trial before subscription.