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• Curve
  A curve can mean many things. It is reasonably standard to say however that a curve is any one dimension Elementary Differential Geometry - Pressley - Springer SUMS series</ref>:
  1 KB (224 words) - 21:30, 28 March 2015
• Notes:Spherical coordinates
  ...}, {{M|\emptyset}} denotes the empty set, so here we are saying "there are things in both {{M|U}} and {{M|V}}) ...^{-1}:\mathbb{R}^n\rightarrow U}} where {{M|1=\phi^{-1}(y)=\{\text{all the things such that }\phi(\text{thing})=y\} }}
  10 KB (1,899 words) - 18:48, 23 September 2015
• Site projects:Current projects
  ** [[Site projects:First-year friendly things]] * [[Site projects:Split set theory into elementary set theory]]
  868 B (93 words) - 12:15, 9 April 2016
• Every injection yields a bijection onto its image
  * {{M|1=f(X):=\{y\in Y\ \vert \exists x\in X[f(x)=y] \} }} - the set of all things in {{M|Y}} that are mapped to by {{M|f}} for some {{M|x\in X}}</ref> {{Definition|Set Theory|Elementary Set Theory}}[[Category:First-year friendly]]
  4 KB (813 words) - 11:53, 26 September 2016
• Tensor product of tensors
  ...(suppose that {{M|f}} and {{M|g}} are of the same rank/order (among other things?)) then: #** The corresponding "elementary tensors", {{M|\phi_I}} satisfy the equation:
  3 KB (497 words) - 21:58, 22 December 2016
• Square root (real function)
  {{Requires proof|grade=B|Presley's Elementary Differential Geometry claims it can be done easily by induction on page 15. {{Definition|Elementary things|Pre-requisites of mathematics|Analysis|Real Analysis}}
  2 KB (408 words) - 05:46, 10 April 2017
• Deriving the exponential distribution from the time between event in a Poisson distribution
  ...time of the process rather than the last event time, how does this change things? {{Theorem Of|Elementary Probability|Probability|Statistics}}
  2 KB (298 words) - 03:16, 6 April 2018
• Common integrals table
  {{Stub page|grade=C|msg=This page will become more orderly when things are added to it}} ==Elementary==
  805 B (135 words) - 08:11, 11 November 2017