Sharp EL-9450 Operation Manual page 50

5 d/dx( d/dx( equation, value of x [, tolerance] )
Returns derivative of equation Y at the specified X
value using the tolerance (if not specified, default value
is 1E–5).
Example
M A 5 z
y - 5 , 2
, 0 . 0 0 1 ) E
6 ∫ ∫ equation, lower limit, upper limit [, the number of
divisions] dx (written as one-line mode syntax)
Calculates an integral value of equation Y from the
lower limit to the upper limit using the specified number
of divisions (if not specified, default value is 100). Use
in conjunction with the 7 dx sub-menu item.
Example
M A 6 2 {
8 ' ( z a
3 ' - 0.5 z
y + 6 )
, 10 M A
7 E
• The above key strokes are
to be performed under the
Equation edit mode.
Enters a differential " dx " in an integration expression.
7 dx
Chapter 3: Manual Calculations
43