HP 33s scientific calculator 用户手册
C–8
ALG:
Summary
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page: 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Ø
Displays y.
If you want to perform a coordinate conversion as part of a chain calculation, you
need to use parentheses to impose the required order of operations.
need to use parentheses to impose the required order of operations.
Example:
If r = 4.5,
θ
=
π
3
2
, what are x, y ?
Keys: Display:
Description:
Ý
{}
Sets Radians mode.
º
y
2
¯
3
¸
º
j º |
π
π
Use parentheses to impose
the required order of
operations.
the required order of
operations.
w
4.5
º
±
Calculates x.
Ø
Displays y.
Integrating an Equation
1.
Key in an equation. (see "Entering Equations into the Equation List" in chapter
6) and leave Equation mode.
2.
Enter the limits of integration: key in the lower limit and press
w
, then key
in the upper limit.
3.
Display the equation: Press
º
d
and, if necessary, scroll through the
equation list (press
×
or
Ø
) to display the desired equation.
4.
Select the variable of integration: Press
º
"
variable. This starts the
calculation.