nabla is the upside down triangle in calculus.
what is the upside down triangle in calculus?
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calculus (disambiguation)





















































calculus (from latin "calculus" meaning ‘pebble’, plural "calculī") in its most general sense is any method or system of calculation. 





















































calculus may refer to:





















































section::::mathematics.





















































bullet::::- infinitesimal calculus (or simply calculus), which investigate motion and rates of change





















































bullet::::- differential calculus





















































bullet::::- integral calculus





















































bullet::::- non-standard calculus, an approach to infinitesimal calculus using robinson's infinitesimals





















































bullet::::- calculus of sums and differences (difference operator), also called the finite-difference calculus, a discrete analogue of "calculus"





















































bullet::::- functional calculus, a way to apply various types of functions to operators





















































bullet::::- schubert calculus, a branch of algebraic geometry
calculus (disambiguation)