Application Guide

182 Alphabetical Listing
sumIf()
Catalog >
Empty (void) elements are ignored. For
more information on empty elements, see
page 236.
Note: See also countIf(), page 35.
sumSeq()
See Σ(), page 224.
system()
Catalog >
system(Eqn1[, Eqn2[, Eqn3[, ...]]])
system(Expr1[, Expr2[, Expr3[, ...]]])
Returns a system of equations, formatted
as a list. You can also create a system by
using a template.
Note: See also System of equations, page 3.
T
T (transpose)
Catalog >
Matrix1T ⇒ matrix
Returns the complex conjugate transpose of
Matrix1.
Note: You can insert this operator from the
computer keyboard by typing @t.
tan()
µ key
tan(Expr1) ⇒ expression
tan(List1) ⇒ list
tan(Expr1) returns the tangent of the
argument as an expression.
tan(List1) returns a list of the tangents of
all elements in List1.
In Degree angle mode: