P=a+b+hx(1 sin(t)+1 sin(f)) ч ч, Parentheses used to group items – HP 32SII User Manual

Page 107

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background image

Entering and Evaluating Equations 6–19

File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm

Single

letter

name

No implied

multiplication

Division is done
before addition

Parentheses used to group items

P=A+B+Hx(1 SIN(T)+1 SIN(F))

ч

ч

Th

e next equation also obeys the syntax rules. This equation uses the inverse

function,

#1 1!22

, instead of the fractional form,

ª 1!2

.

Notice that the SIN function is "nested" inside the INV function. (INV is typed
by

3

.)

/--º1#1 1!22-1#1 1222

Example:

Area of a Polygon.

The equation for area of a regular polygon with n sides of length d is:

Area =

/n)

sin(

)

/

cos(

4

1

π

π

n

n d

2

d

2 /n

π

You can specify this equation as

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