WolframAlpha
Wolfram Group LLC
wolframalpha web
Fh Technology
WolframAlpha Classic
Cymath - 数学問題ソルバー
Cymath LLC
マスウェイ
Chegg, Inc.
Wolfram Cloud
Microsoft Math Solver
Microsoft Corporation
Photomath
Google LLC
Grab - Taxi & Food Delivery
Grab Holdings
All-In-One Calculator
allinonecalculator.com