If you use Maple to check your Email, you can also use Maple in
Line Edit Mode to check your homework or to do any Maple calculation.
Here is an example of multiple integration using Maple on UIC Student
Compute Server "icarus", assuming you are already logged onto "icarus":
icarus > maple # Enter Maple Line Edit Command on Icarus.
|\^/| Maple V Release 3 (University of Illinois at Chicago)
._|\| |/|_. Copyright (c) 1981-1994 by Waterloo Maple Software and the
\ MAPLE / University of Waterloo. All rights reserved. Maple and Maple V
<____ ____> are registered trademarks of Waterloo Maple Software.
| Type ? for help.
| #1. Following 2 Maple commands show that you get the same answer for both
| #Type I (integrating in "y" first, and
| #Type II (integrating in "x" first:
> int(int(x*y^2,y=1..2*x-1),x=1..3);
956
---
15
> int(int(x*y^2,x=(y+1)/2..3),y=1..5);
956
---
15
| #2. Maple command for floating point solve of nonlinear equation:
> fsolve(x^3 - 0.71*x^2 - 2.09*x + 0.71 = 0 );
-1.306200277, .3205650277, 1.695635249
| #3. Maple command for ASCII (text) plot of function;
| #Note that letter "A" is used for a point:
> plot( cos(x) - (1/3)*cos(3*x), x = -Pi..Pi );
AAAAA + AAAAA
A AAA + AAA A
A A0.8 + AAA A
A AA*AAA A
A 0.6 + A
A + A
A 0.4 + A
AA + AA
A 0.2 + A
A + A
A + A
--+-+-+--+-+-+--+-*-+--+-+--+-+-+--+-+-+--+-+-+--+-+--+-*-+--+-+-+--+-+-+--
-3 -2 A -1 0 0 1 A 2 3
A -0.2 + A
AA + AA
A -0.4 + A
A + A
A -0.6 + A
AAAA A + A AAA
AAA AA -0.8 + A AAA
AAA A + A AAA
AAAAA + AAAAA
> done # Maple command "done" lets you exit or quit Maple.
bytes used=579352, alloc=458668, time=0.29
icarus >
Remark: At this point you can "logout" or read your email
or whatever you want to do.
Remark: You can also use Line Edit Maple Similarly on UIC Icarus: