Science and Technology

MATLAB Mobile

Business

Brilliant: Learn interactively

Master concepts in math and CS

Photomath

Learn math, step-by-step

Desmos Graphing Calculator

Education

Udemy Online Video Courses

Learn Coding, Python & More

Khan Academy

You can learn anything

WolframAlpha Classic

Reference

ChemistryMaster Pro Chemistry

Oxygenate the Mind!

DataCamp: Data Science and AI

Learn Python, SQL, AI & R

R Instructor

Reference

Taculator Graphing Calculator

Statistics, Matrix + Graph