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What Does the Upside-Down A Mean in Math? - Strategies for Parents
Sign in. Mathletics. Username/email: Password: I agree to the terms and conditions to enter. Remember my username/e-mail for future logins on this device Log In By continuing, you agree to the Rackspace Technology Terms of Use and Privacy Notice Age: 3 years, 9 months ago. Nancy McCall. Follow. Sorting, puzzle and touch activities are presented to reinforce the concepts right side up and upside down. Share your thoughts. Please login to comment. Play without ads.
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Webmail Login. Email address. Password 1 Answer. Sorted by: 2. The upside-down triangle is likely a gradient operator in this context: ∇f(x, y) = ∂f ∂xx^ + ∂f ∂yy^. ∇ f (x, y) = ∂ f ∂ x x ^ + ∂ f ∂ y y ^. Missing: login