Hp Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 177

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Functions and commands 173
commands” on page 39, and those specific to programming
are described in “Program commands” on page 267.
Some of the options on the Catlg menu can
also be chosen from the relations palette
(
Sr)
! Factorial. Returns the factorial of a positive integer. For non-
integers, ! = Γ(x + 1). This calculates the Gamma function.
value!
Example:
6! returns 720
% x percent of y. Returns (x/100)*y.
%(x, y)
Example:
%(20,50) returns 10
%CHANGE Percent change from x to y. Returns 100*(y-x)/x.
%CHANGE(x, y)
Example:
%CHANGE(20,50) returns 150
%TOTAL Percent total; the percentage of x that is y. Returns 100*y/x.
%TOTAL(x, y)
Example:
%TOTAL(20,50) returns 250
( Inserts opening parenthesis.
* Multiplication symbol. Returns the product of two numbers or
the scalar product of two vectors.
+ Addition symbol. Returns the sum of two numbers, the term-by-
term sum of two lists or two matrices, or adds two strings
together.
Subtraction symbol. Returns the difference of two numbers, or
the term-by-term subtraction of two lists or two matrices.
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