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Appendix A: Function and Instruction Reference
295
73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed:
05/19/99 9:03 AM Page 295 of 36
LinReg(ax+b) [XList,YList
,
freq,Y
]
-v
CALC
Fits the linear equation (y=ax+b) to XList and YList
with frequency list, freq, and stores the regression
equation to Y
. XList, YList, and freq (if specified)
must have the same number of elements.
freq is the frequency of occurrence for each
corresponding data point in XList. If freq is omitted,
all values are used once.
Defaults for XList and YList are
L
1
and
L
2
.
Decimal mode set to 2:
{1,3,4,5,5,7,8,9}
Ü
L
3
b
Don
e
{1,4,2,3,4,6,7,9}
Ü
L
4
b
Don
e
LinReg(ax+b) L
3
,L
4
,Y
b
Select ZStandard.
@List(list)
-v
OPS
Returns a list of the differences between consecutive
elements in a list.
{4.5,4.6,6,7.5}
Ü
L
2
b
{4.5 4.6 6 7.5}
@
List(L
2
)
b
{.1 1.4 1.5}
ln(value)
ln(list)
1
LOG
Returns the natural logarithm of a positive real
number, an expression that results in a positive real
number, or a list of positive real numbers.
ln(2)
b
.6931471806
ln(36.4/3)
b
2.495956486
log(value)
log(list)
1
LOG
Returns the base 10 logarithm of a positive real
number, an expression (that results in a positive real
number), or a list of positive real numbers.
log(2)
b
.3010299957
log(36.4/3)
b
1.083980129
Mansimp
.
Selects the
Mansimp
Simplification mode setting.
Requires user to simplify fractional results manually
using the
B
key.
1
4
+
1
4
b
$
2
4
2
4
4
Simp
b
Fac=2
1
2