The best alternatives to Emojimatics are BuzzFeed, iMathematics, and Quick Math. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
BuzzFeed has it all: the stories and quizzes trending on social, the news you want now, and the recipes and life tips you didn’t know you needed. And don’t forget to check out BuzzFeed.com when you’re on your laptop!
Ramanujan - Math Bot 🤖 is a Chrome Extension which helps you solve your Math problems(homework!?) ranging from Differential and Integral calculus(Well most of it) to Factorisation. Another powerful feature is the evaluate option which supports 20+ symbols/functions and constants like Permutation, Combination and Trigonometric functions.