Owner's manual

Table Of Contents
See also: SIGMA, RISCH
SIGNTAB
Type: Command
Description:
Tabulates the sign of a rational function of one variable.
Access: Catalog, (Cl)
Input:
An algebraic expression.
Output:
A list containing, the points where the expression
changes sign, and for each point, the sign of the
expression between the points.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
SIMP2
Type: Command
Description:
Simplifies two objects by dividing tltem by their greatest
common divisor.
Access:
Arithmetic, 0®H)
Input:
Level 2/Argument 1: The first object.
Level 1/Ai'gument 2: The second object.
Output:
Level 2/Item 1: The first object divided by the greatest
common divisor.
Level 1/Item 2: The second object divided by the greatest
common divisor.
Flags: Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example: Divide the following expressions by their greatest
common divisor:
+ 6x^ + 1 1X + 6
.X'’ - 7x - 6
Command:
SIMP2 (X"3 + 6*X"2 + ll*X+6 , X"'3-7*X-6)
Result:
{X+3,X-3}
Page 14-56 Computer Algebra Commands