i want to experience(see) how the two signals are added or multiplies or scaled will be.i cannot install matlab to view that since my comp is not that much capable of .so please say me any site for that or any small software to see those operation visually .Thank you

 

Hello,

There is a lot of software available for the PC.
The EDUCYPEDIA made some pages:
Analog
Antenna design
Audio
Audio tone generators
Circuit simulation
Digital
Loudspeaker design
Measurement
PCB design
RF Antenna design
RF software
Stripboard Layout Software

Bertus

 

In that last from the few i have see some of simple sin ,square wave generator and some advance smith chart calculation

actually i want know how the sin signal look like when multiplied and added with other sin of different frequency amplitude , thats the intention of this question

 

Hello,

Then you could have a look at the software that is used over here frequently, LTspice:
http://www.linear.com/designtools/software/

Bertus

 

In that last from the few i have see some of simple sin ,square wave generator and some advance smith chart calculation

actually i want know how the sin signal look like when multiplied and added with other sin of different frequency amplitude , thats the intention of this question

Do you have any spreadsheet software available?

 

nope,spreadsheet !!!!.how that can help

 

Hello,

A spreadsheet program can be excell (microsoft) or calc (openoffice / libreoffice).
The last one can be downloaded for free:
http://www.libreoffice.org/
Here is descirption of libreoffice - calc:
http://www.libreoffice.org/discover/calc/

Bertus

 

nope,spreadsheet !!!!.how that can help

You can get OpenOffice for free.

If you want to play with waveforms and see how they combine, then you can generate your waveforms in the spreadsheet and plot the results. Very simple and easy (for basic stuff where you are just working with the signals).

 

In that last from the few i have see some of simple sin ,square wave generator and some advance smith chart calculation

actually i want know how the sin signal look like when multiplied and added with other sin of different frequency amplitude , thats the intention of this question

Have you ever used Excel?

Look at this. Is up to you understand what I did. Most probably not scientific but in the basics, it works.

It took maybe three minutes to write it and get the graph.

Delete the ".txt" extension so it will beahve as an Excel file.

Good luck.