Fundamental information regarding MathCad Version 5 Operation Symbol(s) to type

Addition +

Subtraction -

Multiplication *

Division /

Evaluate =

Define :

Constrained equality Ctrl =

Power (superscript) ^

Subscript .

Complex conjugate

Determine magnitude |

Define a matrix Ctrl m

Determine phase of x arg(x)

Determine real part of x Re(x)

Determine imag. part of x Im(x)

Enter p Ctrl p Note that many operations can be performed by utilizing the toolbar located on the left side of the screen

Note that definitions and evaluations are position sensitive

The imaginary symbol "j" is entered as "1j"

A text region can be created by selecting Text from the toolbar at the top of the screen and then selecting Create Text Region

The MathCad 5 Help Index has good documentation regarding graphs and equation creation. Just select Graphs or Equations, creating for more information.

To learn how to enter Greek symbols, subscripts, exponents, etc. select variable names in the Help Index.

To learn how to enter units select Units and dimensions in the Help Index.

To learn how to enter a Range Variable select Help from the toolbar, then select How Do I? then select Define a Range Variable

For your reference, several examples of MathCad which solve filter and modulation problems are posted on my website (http://ecet.spsu.edu/whodges/).