User Manual

122 Alphabetical Listing
►Rect
Catalog >
Vector ►Rect
Note: You can insert this operator from the
computer keyboard by typing @>Rect.
Displays Vector in rectangular form [x, y,
z]. The vector must be of dimension 2 or 3
and can be a row or a column.
Note: ►Rect is a display-format instruction,
not a conversion function. You can use it
only at the end of an entry line, and it does
not update ans.
Note: See also ►Polar, page 110.
complexValue ►Rect
Displays complexValue in rectangular form
a+bi. The complexValue can have any
complex form. However, an re
iθ
entry
causes an error in Degree angle mode.
Note: You must use parentheses for an
(r∠θ) polar entry.
In Radian angle mode:
In Gradian angle mode:
In Degree angle mode:
Note: To type ∠, select itfrom the symbol
listin the Catalog.
ref()
Catalog >
ref(Matrix1[, Tol]) ⇒ matrix
Returns the row echelon form of Matrix1.
Optionally, any matrix element is treated as
zero if its absolute value is less than Tol.
This tolerance is used only if the matrix has
floating-point entries and does not contain
any symbolic variables that have not been
assigned a value. Otherwise, Tol is ignored.