Sharp el-9950 - Page 34

33
Chapter 2: Operating the Graphing Calculator
06
∫ ∫
equation, lower limit, upper limit [, tolerance] dx
Calculatesanintegralvalue
ofequationYfromthelower
limit to the upper limit using
the specified tolerance (if not
specified, default value is 1E–5).
Useinconjunctionwiththe07
dxsub-menuitem.
• PressthekeysasfollowsintheEquationeditmode.
M
A
0 6
2
{
8
' ( X
a
3
' -
0.5
X y +
6
) ,
0.001
M
A
0 7 E
07 dx Enters a differential “dx” in an integration expression.
08
∑
(
∑
(expression, initial value, end value [, increment])
Returnsthecumulativesumofa
given expression from an initial
value to an end value in the
specified increment value (if not
specified, default increment is 1).
09 sec sec value
Enters a secant function to
be used in a trigonometric
expression.
10 csc csc value
Enters a cosecant (cosec) function to be used in a trigonometric
expression.
11 cot cot value
Enters a cotangent (cotan) function to be used in a trigonometric
expression.
12 sec
-1
sec
-1
value
Enters an inverse secant.