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357
With approx, calculation results are displayed using exponential notation. As with
the RUN Mode, the mantissa can have up to 10 digits and the exponent up to two
digits. The number of digits that can be input for approx depends on the setting of
the set up screen's Display item.
Example 6(
gg
gg
g)6(
gg
gg
g)1(appr)jMcaw (Display: Norm1)
1.215766546E + 19
When part of the expression includes a variable, the calculation is performed by
substituting the value for the variable. The following shows the calculation when A
= 0.
Example 6(
gg
gg
g)6(
gg
gg
g)1(appr)f*aA+dw
3
uu
uu
uCollection —— (collc)
This command arranges the terms of an expression, focusing on a particular
variable.
Syntax: collect (<expression>[, <variable>] [)]
• A default variable of X is used when specification of a variable is skipped.
Example To arrange the terms of the expression X
2
+ AX + BX, focusing
on the variable X
6(g)6(g)2(collc)vx+
aAv+aBvw X
2
+ (A + B)X
uu
uu
uCombine —— (comb)
This command produces a fraction made up of a fully expanded numerator over a
fully expanded denominator.
Syntax: combine (<expression>[)]
Example To combine the expressions (X+1) / (X+2) + X × (X+3)
6(g)3(comb)(v+b)
/(v+c)+v*
(v+d)w
ALGBR Mode Commands 20 - 3
X
3
+ 5X
2
+ 7X + 1
X + 2
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