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首页HP 50g图形计算器用户手册:功能全面,操作指南
本资源是惠普HP50g图形计算器用户手册,由Hewlett-Packard Company出版,版本为1。HP50g是一款功能强大的计算器,集符号计算与数值处理于一体,旨在简化复杂的数学运算和问题解决。手册包含了详细的用户指南,包括如何注册产品、系统功能介绍、操作步骤以及示例演示。 用户手册首先强调了所有内容均为“按现状提供”,可能会在未通知的情况下进行更新。它明确指出,Hewlett-Packard Company对本手册本身及其中的示例不负任何种类的保修,包括但不限于商品质量、不侵犯知识产权以及适用于特定用途的保证。用户应自行承担因使用手册或示例导致的任何错误或间接/附带损失。 版权方面,手册受到2003年和2006年Hewlett-Packard Development Company, L.P.的版权保护,未经书面许可,不得复制、改编或翻译,除非符合版权法的规定。 手册的前言部分着重介绍了HP50g作为一款便携式计算机的特性,它能够通过符号和数值的方式进行高效计算,极大地提高了数学运算的便利性和效率。它可能包含计算器的基础设置、菜单导航、基本数学运算、科学计算、统计分析、图形绘制等功能的操作指南,以及如何利用其高级功能如编程和符号逻辑解决问题。 对于初次使用者来说,这个手册是必不可少的参考资料,它不仅提供了操作指导,还可能包含了计算器的一些专业级特性,使其成为学习数学、工程、物理等领域的理想工具。阅读并熟悉这份手册可以帮助用户充分利用HP50g图形计算器的优势,提升学习和工作效率。
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For example, the P key, key(4,4), has the following six functions
associated with it:
P Main function, to activate the SYMBolic menu
„´ Left-shift function, to activate the MTH (Math) menu
…N Right-shift function, to activate the CATalog function
~p ALPHA function, to enter the upper-case letter P
~„p ALPHA-Left-Shift function, to enter the lower-case letter p
SG49A.book Page 5 Friday, September 16, 2005 1:31 PM
Page 1-6
Of the six functions associated with a key only the first four are shown in
the keyboard itself. The figure in next page shows these four labels for the
P key. Notice that the color and the position of the labels in the key,
namely, SYMB, MTH, CAT and P, indicate which is the main function
(SYMB), and which of the other three functions is associated with the left-
shift
„(MTH), right-shift …(CAT ), and ~ (P) keys.
For detailed information on the calculator keyboard operation refer to
Appendix B in the calculator’s user’s guide.
Selecting calculator modes
This section assumes that you are now at least partially familiar with the
use of choose and dialog boxes (if you are not, please refer to appendix A
in the user’s guide).
Press the H button (second key from the left on the second row of keys
from the top) to show the following CALCULATOR MODES input form:
Press the !!@@OK#@ soft menu key to return to normal display. Examples of
selecting different calculator modes are shown next.
~…p ALPHA-Right-Shift function, to enter the symbol π
Page 1-7
Operating Mode
The calculator offers two operating modes: the Algebraic mode, and the
Reverse Polish Notation (RPN) mode. The default mode is the Algebraic
mode (as indicated in the figure above), however, users of earlier HP
calculators may be more familiar with the RPN mode.
To select an operating mode, first open the CALCULATOR MODES input
form by pressing the
H button. The Operating Mode field will be
highlighted. Select the Algebraic or RPN operating mode by either using
the
\ key (second from left in the fifth row from the keyboard bottom), or
pressing the @CHOOS soft menu key. If using the latter approach, use up and
down arrow keys,
— ˜, to select the mode, and press the !!@@OK#@ soft
menu key to complete the operation.
To illustrate the difference between these two operating modes we will
calculate the following expression in both modes:
To enter this expression in the calculator we will first use the equation
writer,
‚O. Please identify the following keys in the keyboard,
besides the numeric keypad keys:
!@.#*+-/R
Q¸Ü‚Oš™˜—`
The equation writer is a display mode in which you can build
mathematical expressions using explicit mathematical notation including
fractions, derivatives, integrals, roots, etc. To use the equation writer for
writing the expression shown above, use the following keystrokes:
‚OR3.*!Ü5.-
1./3.*3.
—————
/23.Q3™™+!¸2.5`
After pressing ` the calculator displays the expression:
√ (3.*(5.-1/(3.*3.))/23.^3+EXP(2.5))
Pressing ` again will provide the following value (accept Approx mode
on, if asked, by pressing !!@@OK#@):
5.2
3
0.23
0.30.3
1
0.50.3
e+
⋅
−⋅
⎟
⎠
⎞
⎜
⎝
⎛
SG49A.book Page 7 Friday, September 16, 2005 1:31 PM
Page 1-8
You could also type the expression directly into the display without using
the equation writer, as follows:
R!Ü3.*!Ü5.-
1/3.*3.™
/23.Q3+!¸2.5`
to obtain the same result.
Change the operating mode to RPN by first pressing the H button.
Select the RPN operating mode by either using the
\ key, or pressing
the @CHOOS soft menu key. Press the @@OK#@ soft menu key to complete the
operation. The display, for the RPN mode looks as follows:
Notice that the display shows several levels of output labeled, from bottom
to top, as 1, 2, 3, etc. This is referred to as the stack of the calculator. The
different levels are referred to as the stack levels, i.e., stack level 1, stack
level 2, etc.
What RPN means is that, instead of writing an operation such as 3 + 2 by
pressing
3+2`
we write the operands first, in the proper order, and then the operator, i.e.,
3`2+
As you enter the operands, they occupy different stack levels. Entering
3` puts the number 3 in stack level 1. Next, entering 2 pushes
the 3 upwards to occupy stack level 2. Finally, by pressing
+, we are
telling the calculator to apply the operator,
+, to the objects occupying
levels 1 and 2. The result, 5, is then placed in level 1.
SG49A.book Page 8 Friday, September 16, 2005 1:31 PM
Page 1-9
Let's try some other simple operations before trying the more complicated
expression used earlier for the algebraic operating mode:
Note the position of the y and x in the last two operations. The base in the
exponential operation is y (stack level 2) while the exponent is x (stack
level 1) before the key
Q is pressed. Similarly, in the cubic root
operation, y (stack level 2) is the quantity under the root sign, and x (stack
level 1) is the root.
Try the following exercise involving 3 factors: (5 + 3) × 2
Let's try now the expression proposed earlier:
123/32 123`32/
4
2
4`2Q
3
√(√27)
27R3@»
5`3+ Calculates (5 +3) first.
2X Completes the calculation.
3` Enter 3 in level 1
5` Enter 5 in level 1, 3 moves to level 2
3` Enter 3 in level 1, 5 moves to level 2, 3 to level 3
3* Place 3 and multiply, 9 appears in level 1
Y 1/(3
×3), last value in lev. 1; 5 in level 2; 3 in level 3
- 5 - 1/(3
×3) , occupies level 1 now; 3 in level 2
* 3
× (5 - 1/(3×3)), occupies level 1 now.
23`Enter 23 in level 1, 14.66666 moves to level 2.
3Q
Enter 3, calculate 23
3
into level 1. 14.666 in lev. 2.
/
(3
× (5-1/(3×3)))/23
3
into level 1
2.5Enter 2.5 level 1
!¸
e
2.5
, goes into level 1, level 2 shows previous value.
5.2
3
23
33
1
53
e+
⋅
−⋅
⎟
⎠
⎞
⎜
⎝
⎛
SG49A.book Page 9 Friday, September 16, 2005 1:31 PM
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