AbsExpand (ALGEBRA mode) Divides an expression that contains an absolute value into two expressions [F3](EQUA),[8](absExp) absExpand( equation [ ) ] absExpand( inequality [ ) ] 1. absExpand( |2X+3| = 5 ) ALGEBRA mode; [F3](EQUA)[8](absExp)[OPTN] [F1](Abs)[(][2][X][+][3][)] [SHIFT][=][5][EXE] 2. absExpand( |3X+1| > 2 ) 3X+1>2 or 3X+1< -2 3. absExpand((X+1)^2) = 3) X+1=3 or X+1= -3

Approximate (CAS,ALGEBRA mode) Produces a numerical approximation for an expression. [F1](TRNS)[B](approx) approx expression 1. To factor X^2-3X+2 and solve when X=2.5 *Variable memory recalled using RUN/MAT. CAS;   [F1](TRNS)[3](factor)[X] [X^2][-][3][X][+2] [EXE][F1](TRNS)[B](approx) [SHIFT][Ans][EXE] ALGEBRA;   [F1](TRNS)[4](factor) [X][X^2][-][3][X] [+2][EXE][F1](TRNS)[B](approx) [SHIFT][Ans][EXE] 2. approx 3.141592654 3. approx 3/2 1.5

	Arc length (CAS mode) Returns the arc length. [F2](CALC)[7](arcLen) arcLen( expression , var , start , end [ ) ] 1. To determine the arc length for X^2 from X=0 to X=1.   [F2](CALC)[7](arcLen)[X][X^2] [,][X][,][0][,][1][EXE] 2. arcLen( 2X, X, 1, Y ) (5) Y-(5) 3. arcLen( 2X, X, 2, 100 ) 985 4. arcLen( X+1, X, 2, 100 ) 982 5. arcLen( X2, X, 0, 1 ) ln(4(5) + 8)/4 - ln(2)/2 + (5)/2

Arrange (ALGEBRA,TUTOR mode) Arranges terms in sequence of their variables. ALGEBRA ; [F1](TRNS)[9](arrang) TUTOR-Manual ; [F1](TRNS)[6](arrang) arrange( expression [ ) ] arrange( equation [ ) ] arrange( inequality [ ) ] 1. To arrange 2X+3-5X+8Y in sequence of its variables. ALGEBRA;   [F1](TRNS)[9](arrang) [2][X][+][3][-][5][X][+][8] [ALPHA][Y][EXE] TUTOR;   [F1](TRNS)[6](arrang) [2][X][+][3][-][5][X][+][8] [ALPHA][Y][EXE] 2. arrange(2X + 3 - 5X + 8Y) -5X + 2X + 8Y + 3 3. arrange(X + 1 - 3X - 2Y=Z - 3X + 5 - 2Y) -3X + X - 2Y + 1=-3X - 2Y + Z + 5 4. arrange(2 + X - 3 > 2Y + X - 1) X - 3 + 2 > X + 2Y - 1

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