Integral Function - Sharp EL-5230 Operation Manual

Programmable scientific calculator
Table of Contents

Advertisement

• To exit the differential function, press j.
• After getting the answer, press e to return to the display for inputting
the x value and the minute interval, and press @ h to recalculate
at any point.
Example
4
3
d/dx (x
–0.5x
+6x
x = 2
dx = 0.00002
d/dx = ?
x = 3
dx = 0.001
d/dx = ?
* X memory is specified by pressing ; then the 3 key.

Integral function

The Integral function is used as follows.
Press b 0 to enter the NORMAL mode.
1.
2.
Input a formula with an x variable.
Press {.
3.
Input the starting value (a) of a range of integral and press e.
4.
Input the finishing value (b) of a range of integral and press e.
5.
6.
Input the subinterval (n).
Press e to calculate.
7.
• To exit the integral function, press j.
• After getting the answer, press e to return to the display for inputting
a range of integral and subinterval, and press @ h to recalculate
at any point.
Key operations
j ; X* m 4 - 0.5
2
)
; X 1 + 6 ;
X A @ 3
2 e e
e 3 e 0.001 e
Chapter 3: Scientific Calculations
≈^4-0.5≈„+6≈Œ
≈= z
dx:
≈^4-0.5≈„+6≈Œ
d/dx=
≈^4-0.5≈„+6≈Œ
d/dx=
Result
0.
0.00001
50.
130.5000029
39

Advertisement

Table of Contents
loading

This manual is also suitable for:

El-5250

Table of Contents