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GETTING STARTED PRIMERS

Entering Math Expressions

Math in a Mathcad worksheet appears in familiar math notation - division

with a fraction bar, exponents in a raised position, and built-up fractions justas you would see in a book. Here are some quick exercises to learn a few

keystrokes and toolbar buttons. You will also learn how to get a numeric

result and to modify its format.

Definitions

numeric expressions- expressions involving numbers and operators

symbolic expressions - expressions involving numbers, unknowns(variables), and operators

result format - type of result, including: decimal, fractional, scientific, etc.

Practice

Entering a Numeric Expression Tip: Don't press the

Spacebar between parts

of the expression.

Mathcad enters the

correct spacing as you

type.

Type: See:

2+1/2 21

2

+

Try it!

Type: See:

(9+3)/2*4-59 3+

2 4 5

Try it!

Type: See:

3+\2 3 2+

Try it!

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Entering a Symbolic Expression

Type: See:

3x+2y 3x 2y+

Try it!

Type: See:

\16-d^2 16 d2

Try it!

Type: See:

log(x^2)-log(1000) log x2( ) log 1000( )

Try it!

Using the Calculator Toolbar

The Calculatortoolbar may already be open on your screen, but

hidden under the Resources window. Click in the Worksheet windowand move the Calculatortoolbar over to the far left. Then bring your

Resources window back up to make it the "active" window.

If the Calculatortoolbar is not open, then follow these steps in the

Worksheet window:

Select Toolbars > Calculator

from theViewmenu.

Try it!

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Tip: All toolbars are floating, so you can

move one wherever you want by

dragging it around your screen.

With your Calculatortoolbar in view next to the Resources window, firstclick in the Resources window, then:

Click: See:

2

Try it!

Click: See:

8.9

Try it!

Getting a Result

Click: See:

2+1/2= 21

2+ 2.5=

Try it! Tip: Notice that the result is in

decimalformat, the Mathcad

default.

Click: See:

[Shift]\-8.9= 8.9 8.9=

or

Try it!

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Changing a Result to Fractional Format

Click on the right of this result

and select Resultfrom the

Formatmenu. Make sure you

scroll down enough to see the

next set of instructions.

See:

21

2+ 2.5=

Try it!

Click Fractionon theNumber

Formattab and click "OK."

See:

2

1

2+

5

2=

Increasing (or Decreasing) the Digits Displayed in a Result

Click on the right side of this

result:

See:

8 0.000001 8=

Try it!

Select Resultfrom the Format

menu. Then, enter "6" for

Number of Decimal Placesand

click "OK."

See:

8 0.000001 7.999999=

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