HP 50G User manual

HP 50g Graphing Calculator Quick Start Guide i
HP 50g Graphing Calculator Quick Start Guide i
HP 50g Graphing Calculator Quick Start Guide
Edition 1
HP Part Number: F2229-90201

ii HP 50g Graphing Calculator Quick Start Guide
HP 50g Graphing Calculator Quick Start Guideii
HP 50g Graphing Calculator

HP 50g Graphing Calculator Quick Start Guide iii
HP 50g Graphing Calculator Quick Start Guide iii
Keyboard Map Legend
The table above and the photo on the previous page illustrate just a few of the many features available on the HP 50g Graphing Calcu-
lator. These topics, as well as other features of the calculator, are discussed in the following quick start guide. For a complete list of fea-
tures of the HP 50g Graphing Calculator, refer to the HP 50g Graphing Calculator User’s Manual, the HP 50g Graphing Calculator
User’s Guide, and the HP 50g/49g+/48gII Advanced User's Reference. These manuals are found on the HP website, www.hp.com.
Number Feature Number Feature
1 Context-sensitive menu items 11 Numerical result
2 Tool menu 12 Units menu
3 Mode menu 13 Alphabetic entry
4 Next key 14 Backspace (delete and clear)
5 Tick key 15 EquationWriter
6 Numeric and Symbolic Solvers 16 Cursor keys
7 Shift keys 17 Context-sensitive menu keys
8 On/Off/Cancel keys 18 Graphing functions
9 Space key 19 Screen display
10 Enter key 20 Header area

iv HP 50g Graphing Calculator Quick Start Guide
HP 50g Graphing Calculator Quick Start Guideiv
Legal Notices
This manual and any examples contained herein are provided "as is" and are subject to change without notice. Hewlett-Packard Company makes no war-
ranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability, non-infringement and fitness for a par-
ticular purpose.
Hewlett-Packard Company shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or
use of this manual or the examples contained herein.
Copyright © 2009 Hewlett-Packard Development Company, L.P.
Reproduction, adaptation, or translation of this manual is prohibited without prior written permission of Hewlett-Packard Company, except as allowed
under the copyright laws.
Hewlett-Packard Company
16399 West Bernardo Drive
MS 66M-785
San Diego, CA 92127-1899
USA
Printing History
Edition 1, July 2009

i
Contents i
Table of Contents
HP 50g Graphing Calculator............................................................................................................................... ii
Keyboard Map Legend ...................................................................................................................................... iii
Legal Notices.................................................................................................................................................... iv
Welcome to your HP 50g Graphing Calculator .....................................................................................................1
Manual Conventions...........................................................................................................................................2
Keyboard, Menus, and Annunciators....................................................................................................................2
Basic Math ........................................................................................................................................................4
Using RPN.........................................................................................................................................................5
Working in Algebraic Mode from RPN Mode........................................................................................................8
Using Equation Solvers .......................................................................................................................................9
Using Units......................................................................................................................................................12
Memory Management ......................................................................................................................................14
Graphing Functions ..........................................................................................................................................16
Advanced Memory Management .......................................................................................................................19
Using the Computer Algebra System (CAS) – Approximate versus Exact..................................................................21
Factoring and Solving.......................................................................................................................................22
Simplification and Integration ............................................................................................................................24
CAS Troubleshooting ........................................................................................................................................24
Troubleshooting and FAQs ................................................................................................................................25
Basic Features, Customizing the Calculator, and Setting the Internal Clock ..............................................................28
Replacing the Batteries......................................................................................................................................33
Warranty and Contact Information .....................................................................................................................33
Product Regulatory & Environment Information .....................................................................................................37

ii
Contentsii

Getting Started 1
Getting Started 1
1GettingStarted
Welcome to your HP 50g Graphing Calculator
Congratulations on the purchase of your new calculator! The 50g is a very powerful graphing calculator based on the HP-48 series of
calculators, which were designed specifically for engineers and mathematicians. Once you perform multiple calculations and work actual
engineering or math problems with the 50g, you will appreciate the variety of tools available and the many ways advanced problems can
be solved with this calculator.
Before getting into specifics about the operation of the calculator, you may wish to read through Table 1-1 on page 26 to familiarize your-
self with some common questions associated with the using this calculator.
This quick start guide is intended to be read from start to finish, and it should take about an hour to complete. It will introduce you to the
most important features used for solving general math problems, show you many shortcuts, and identify common problems new users often
encounter. In addition, it will point you to locations where more detailed information can be found. In-depth explanations of operations
are not found here; a simple, step-by-step approach to problem solving is applied. As you proceed through the quick start guide, examples
use concepts, skills, and operations introduced in earlier sections. For example, at some point, you may be asked to work with an equation
that you stored in an earlier section. If you have not started from the beginning, you will not have this equation, and your results may vary.
Although it is tempting to jump through the manual to find interesting parts, every step and section in this booklet is designed to outline
important information and teach you useful techniques in a specific progression. Thus, it is highly recommended you take the time to
understand the concepts in the order in which they are introduced. With a little time and practice, you will be solving problems and
performing advanced calculations with ease.
For more detailed information about the 50g Graphing Calculator, refer to the HP 50g Graphing Calculator User’s Manual, the HP 50g
Graphing Calculator User’s Guide, and the HP 50g/49g+/48gII Advanced User's Reference. These manuals are found on the HP website,
www.hp.com, and are cited throughout this manual; it is highly recommended you refer to these manuals to thoroughly familiarize yourself
with the many features of your calculator.
The 50g is capable of performing operations in both Algebraic and Reverse Polish Notation (RPN) modes. Although Algebraic is the
default operating mode, it is highly recommended you take the time to learn RPN, as many of the 50g’s features work more efficiently when
performed in RPN. For more detailed information about RPN, visit www.hp.com/calculators.

2 Getting Started
Getting Started2
Manual Conventions
This manual makes use of certain conventions with text to differentiate between key presses and on screen display options.
• Keyboard keys are represented by CAPITAL letters.
•The symbols !and @represent the left-shift and right-shift keys, respectively. These symbols, when followed by CAPITAL
letters or key symbols, indicate shifted functions of the keyboard keys.
• Menu items for menu keys are also spelled out in CAPITAL letters, followed by the term, menu key.
•Field names, choose box options, and other on screen text appear in BOLD.
• UP, DOWN, LEFT, RIGHT refer to the silver cursor keys.
•Letters of the alphabet are indicated by ]followed by the keyboard key on which the letter appears. For example, to type the
letter C, press ]F3(C).
• Numbered keys are represented simply by printed numbers: 1, 5, 123.35, etc.
Occasionally, symbols of the actual keys may be used for clarification in long command sequences. Some key commands require you to
press and hold a shift key while simultaneously pressing one or more keys. These commands are spelled out specifically in the text.
Keyboard, Menus, and Annunciators
1. To begin, press ON. With the power on, the ON key becomes CANCEL. Press ON to cancel an operation and clear the screen
display. Press the TOOL key. Notice that there are six items at the bottom of the screen. These items make up a menu (see Figure 1).
To use a menu, press the key directly beneath the desired menu item. This menu will change as you use the calculator.
Figure 1
2. Notice how there is both a white function and an orange function printed above most keys on the keyboard. There is also a yellow
character printed on the right side of most keys. Look at the orange function above ON. Press the orange right-shift, @, followed
by ON, and the unit powers off.

Getting Started 3
Getting Started 3
3. Press ON to turn the calculator back on. Now hold down ON and simultaneously press the +key repeatedly. The screen
darkens. Notice the six symbols that appear at the very top of the screen. These symbols are called annunciators. The three on the
left indicate that a shift key, left, right, or Alpha, is active. Following the Alpha key annunciator is the low battery annunciator and
the busy annunciator, and the communication annunciator is at the far right. Press and hold the ON key. With ON pressed,
simultaneously press the -key repeatedly until the screen is at a contrast you prefer.
4. If the calculator during operation is non-responsive, or seems locked up, press CANCEL a few times. If it doesn't respond, you may
reboot the machine by pressing and holding ON and simultaneously pressing the F3 key. Release the F3 key, followed by ON.
When you release the ON key, the calculator reboots. This is called a warmstart. To clear all your memory from RAM, press and
hold the ON, F1, and F6 keys simultaneously. Release F6, then F1, then ON. After a beep, the screen displays, Try to Recover
Memory?, with YES or NO menu key options. Press the NO menu key. If nothing happens, push any key. After the beep, press the
NO menu key.
5. The following steps in this manual assume you have cleared your memory, and you have no extra programs installed. If you have
not cleared the memory, results presented in the guide may vary from your own. Please clear all your memory as described in step
4 above before preceding.
6. Now that your 50g is ready to go, let’s look at the screen (see Figure 2). The top section is called the header. The header displays
important information about the status of the calculator: RAD XYZ HEX R= 'X' ALG and {HOME}. These groups of letters indicate the
calculator is set for radians, Cartesian coordinates, the Hexagesimal number base, real numbers with exact results, 'X' as the
default variable, and Algebraic operating mode. {HOME} means you are in the Home directory. As we work, note how the
information in the header changes. Don't worry what everything means right now.
Figure 2

4 Getting Started
Getting Started4
7. The main, or middle area of the screen is called the history, or the stack. This is where your numbers and equations appear as you
work. The bottom portion is where the edit, or entry line, and the menu appear. For more information on the keyboard, menus, and
the calculator display, see Chapter 1 of the HP 50g Graphing Calculator User’s Manual or the HP 50g Graphing Calculator User’s
Guide.
Basic Math
8. To begin, type 1+1. Notice the entry line and the blinking cursor. Press ENTER. The result, 2, is returned at the far right.
9. Now press the UP cursor key twice to select 1+1. Press the EDIT menu key to open a tool called the EquationWriter. The
EquationWriter allows you to write complex equations very easily and see them exactly as they might appear on paper (see
Figure 3).
Figure 3
10. With 1+1 highlighted, press the /key followed by the number 5. Notice how it is displayed just as you might write it out on
paper, , along with the blinking cursor. Press ENTER to return the equation to the editline, then ENTER once again to evaluate
it. The result is . What is going on here?
11. Notice up in the header the R= symbol. Recall this means that the calculator is in exact mode. Keep your eye on that R=. While
holding down the @key, simultaneously press ENTER. The R= toggles to R~. Do it a few times and see how it changes. Before
preceding to the next step, leave it set as R~.
11+
5
------------
2
5
---

Getting Started 5
Getting Started 5
12. N o w p r e ss !followed by HIST(CMD). A box called a choose box with your last four typed entries is shown. With (1+1)/5
selected, press the OK menu key followed by ENTER. This time, the result is .4. As a general rule, you can think of exact mode
solutions, R= , as combinations of fractions, integers, square roots, equations and values of PI. In approximate mode, R~,
everything is evaluated to a single, numerical answer.
13. Press the UP cursor key and observe how line two, above the highlight, now displays (1.+1.)/5., and line four displays (1+1)/5. The
extra periods after the numbers indicate approximate mode instead of exact mode. We will elaborate on this difference later. Press
CANCEL followed by the CLEAR menu key. Your stack is now cleared. For more information about creating and entering basic
expressions, see Chapter 2 of the HP 50g Graphing Calculator User’s Manual or the HP 50g Graphing Calculator User’s Guide.
Using RPN
The 50g comes from a history of calculators designed specifically for engineers and mathematicians. As such, it has very powerful tools
that permit you to enter, work with, and solve math problems quickly and efficiently. One of these tools is Reverse Polish Notation, (RPN).
RPN's greatest strength is that it lets you work out problems one small piece at a time. You don't have to type everything into a long equa-
tion and worry about using parentheses to set the order of operation. Because the 50g comes from a line of calculators that used RPN
exclusively, the calculator is easier to use and functions most effectively in RPN mode.
14. Let’s change a few settings on our unit and get into RPN mode. Press the MODE key. A screen called an Input Form appears. These
full screen forms are used for a variety of tasks. On this screen, titled, Calculator Modes, many basic settings are shown. To begin,
press the FLAGS menu key. Press the UP cursor key until you reach 117 C H O O S E b o x e s . Press the CHK menu key to toggle to Soft
Menu. Press ENTER to return to the input form.
15. Press the UP cursor key five times. Notice how the menu and help text directly above the menu changes as you select different fields.
Once back on the first field, see how Algebraic is selected. Press the CHOOS menu key and a Choose Box appears (see Figure 4).
Press the DOWN cursor key to select RPN, then press ENTER. RPN appears in the first field, and it now will be the active operating
mode when the input form is closed. Choose boxes in input forms can also be changed by pressing Wwith a field highlighted.
Press this key a few times and note how it toggles between RPN and Algebraic. With RPN selected, press ENTER again to save
your settings and exit the input form.

6 Getting Started
Getting Started6
Figure 4
16. Upon exiting, you will notice that the left side of the screen has numbers from 1-7 (see Figure 5). Press the 2 key, followed by the
#key. Press the 3 #4 keys, in that order, followed by ENTER. The three numbers appear on different levels of the stack,
numbered 1-7. The number 2. is on Level 3 of the stack, as it corresponds to the number 3: on the left. Also, check the header.
When the calculator is in RPN mode, the ALG annunciator is no longer displayed (see Figure 6).
17. Press ENTER again and notice how a copy is made of Level 1 on the stack (see Figure 7). This is a useful feature, as it allows you
to save your previous work. Let’s now multiply 4x4. Since 4 is already stored on both Level 1 and Level 2, simply press *. The
result, 16. , is placed on the stack, and the other two numbers move down. You now should have, from top to bottom, 2., 3. and 16.
on the stack.
Figure 5 Figure 6 Figure 7

Getting Started 7
Getting Started 7
18. Let's calculate 16/3. However, the numbers are in the wrong order on the stack for this operation. No problem, press the RIGHT
cursor key to swap their positions (see Figure 8). Now press /and 5.33 (repeating) appears. Let’s square that result by
pressing the RIGHT cursor key to swap Levels 1 and 2, followed by the Qkey. The final result, 28.44 (repeating) appears.
19. P re ss @followed by \(BACKSPACE) to clear the stack.
20. Now let's work a more complex problem to show how RPN allows you to break down complex problems into simpler steps.
21. Calculate: .
To work this problem using RPN, break the larger problem down into smaller pieces. As you work through this example, watch and
note how the more complex problem becomes a series of simple parts as you work it out. Start on the inside of the parentheses and
work outwards. Begin by solving the upper part of the equation inside the square root. Type 8.33 ENTER 4 #5.2 followed by
-. See how the result is calculated with 8.33 and -1. 2 on the stack. Press *and move on to the next group of numbers.
Type 8.33 #7.46 followed by -. .87 appears on the stack. Type .32 followed by * to multiply those numbers. You
now have -9.996 and .2784 on the stack (see Figure 11). Press /to divide those numbers. You have now solved the upper half
of that equation. The intermediate result is -35.905...
Figure 8 Figure 9 Figure 10
x8.33 4 5.2–()()8.33 7.46–()0.32[]÷
4.3 3.15 2.75–()1.71()2.01()–
------------------------------------------------------------------------------------------=

8 Getting Started
Getting Started8
Figure 11
22. Moving on the lower half, type 4.3 ENTER 3.15 #2.75 -, followed by *. 1.72 appears and you can move on to the
next part. Type 1.71 ENTER 2.01 followed by *to return 3.4371. Press -and you have now solved the lower part of the
equation. Press /to divide the top from the bottom, followed by Rto find the square root. The final result, 4.5727… is
returned. For more information about RPN, see Chapter 2 of the HP 50g Graphing Calculator User’s Manual or www.hp.com/
calculators.
Working in Algebraic Mode from RPN Mode
23. Let's now work the previous problem in Algebraic mode. You can actually use Algebraic mode with RPN set as the active operating
mode. Press the Tick key, ³, and note '' appears on the editline. Note how the ALG annunciator also returns to the header,
indicating Algebraic mode is now active. As an exercise, try to repeat the last example by typing the entire expression in as a
single equation.
24. The exact keystroke sequence after pressing ³is: R!-8.33*!-4-
5.2 RIGHT cursor /!-!-8.33-7.46 RIGHT cursor
*.32 RIGHT cursor /!-4.3*!-3.15-
2.75 RIGHT cursor -1.71*2.01 ENTER. The equation should appear
as it might be written out on paper.
25. Press @followed by ENTER(->NUM) to return the same numerical result, 4.5727… There are 66 keystrokes in Algebraic mode
compared to 61 with the RPN solution. However, you may have added some keystrokes with editing in order to get all the
parentheses in their correct locations. While RPN generally requires fewer keystrokes, having the ability to break problems into
smaller pieces helps you catch mistakes early on and avoid long, consecutive key sequences.

Getting Started 9
Getting Started 9
26. With RPN as the active operating mode, you can still use Algebraic mode at anytime. Press ³so '' appears on the editline.
You can now enter data just as you normally would in Algebraic mode. For example, with '' on the editline, type 2 +2 *
4 Q2 . When you are done, press ENTER and notice how your equation appears on the stack. Press ENTER to duplicate it,
and then @ followed by ENTER (->NUM) to return a final numerical result.
27. Another option for entering equations and expressions is the EquationWriter. Press @followed by ³(EQW) to open the
EquationWriter (see Figure 12). Let's type in and solve a problem using the Pythagorean theorem. Type 14 Q2 followed by
RIGHT cursor +20 Q2 then RIGHT cursor RIGHT cursor followed by R.You now have the equation entered into the
equation writer (see Figure 13). Now press the EVAL menu key, followed by @then HIST (UNDO). The EVAL menu key
evaluates what is currently highlighted, and the UNDO command will undo your last command. Now with the whole equation
highlighted, as shown in Figure 13, press @then VAR (COPY). We will use this later. Now press ENTER. Your equation is now
on the stack. Press @ then ENTER (->NUM) to evaluate your problem. The hypotenuse is ~24.413.
Using Equation Solvers
28. Let's say you have to work several problems involving the Pythagorean Theorem from the last example. Rather than typing them all
in individually, wouldn't it be nice to solve any part of the formula? The many built-in solving tools, including HP Solve, can help
you do this.
Figure 12 Figure 13 Figure 14

10 Getting Started
Getting Started10
29. There are two major types of solvers on the 50g: numeric and symbolic. Let's examine the Numeric Solver first. Press @followed
by 7(N.SLV). A choose box appears. Press 3 and note how the highlight jumps to the corresponding item. Press 1 to jump back to
Solve Equation and press ENTER.
30. A full screen solver appears (see Figure 15). To begin, we must enter an equation to solve. Rather than typing it all in at once, let's
use the EquationWriter again. Press @followed by ³(EQW). Now let's paste in the formula we copied from the last
example by pressing @followed by L(PASTE). The whole expression is highlighted as shown in Figure 13. Let's rewrite this
to be . Press !followed by \(DEL) to remove the square root function (see Figure 16). Now press the CURS
menu key and notice a cursor appears on a box around . Use the cursor keys to move the cursor and the box around the
equation. As you move, note how you can select individual items, or groups of the whole expression. Use the RIGHT and DOWN
cursor keys so the box surrounds only the 20 and then press ENTER to select 20 (see Figure 17).
31. Press the ]key to access the letters of the alphabet printed in yellow on the keys. Press ]followed by F1 (A) and note how
the 20 is replaced by a letter A (see Figure 18). Press the cursor keys as follows: UP UP LEFT DOWN to highlight the 14. Press ]
followed by F2 (B) to replace the 14 with a letter B (see Figure 19). Press the cursor keys, UP UP, followed by !then RIGHT
cursor. The term moves to the left (see Figure 20). Press !then LEFT cursor and it moves back. Position it so the equation
reads . Press UP until the entire expression is highlighted. Press @followed by Wto insert an equals sign, =, then
]followed by F3(C) Q2. You now have the full (see Figure 21). Press ENTER.
Figure 15 Figure 16 Figure 17
A2B2C2 =+
142
B2
A2B2 +
A2B2C2 =+

Getting Started 11
Getting Started 11
32. Notice how your solver screen now has fields to enter values for A, B, and C(see Figure 22). Note A is currently highlighted. Type
10 and press ENTER. Anow has the value 10, and the highlight moves to B. You can also type simple math problems in an input
form. For example, type 5 #2 Qand press ENTER. , or 25, appears as the value for B. Now with C selected, press the
SOLVE menu key. Shortly, the result 26.9258... is returned.
33. What if Cremains the same, but Achanges to 15? What should Bchange to? You don't have to rewrite your equation to find out.
Press the DOWN cursor key twice to select A. Type 15 ENTER and now with Bselected, press the SOLVE menu key. The result,
22.36... appears. In this way, any variable in any part of the equation can be solved without re-entering all the data.
34. Numerical solvers can often return several results, especially for functions that are periodic, (SIN, COS), as well as many
polynomials. Let's examine how this works.
Figure 18 Figure 19 Figure 20
Figure 21 Figure 22 Figure 23
52

12 Getting Started
Getting Started12
35. Press DOWN and highlight C. Now type in 9 WV 30 so -9E30 is displayed, then press ENTER. A very large negative
number appears in C. Press UP to highlight C again. You have now entered an initial guess for the solver. Press the SOLVE menu key
and then press any other key other than CANCEL. You will see numbers rapidly converging down to a value. After a few moments,
note -26.9258... appears. Why? Because is the same as . With many functions, setting a different initial guess
will determine which numerical solution appears. For more information about using solvers, see Chapter 6 of the HP 50g Graphing
Calculator User’s Manual or the HP 50g Graphing Calculator User’s Guide.
Using Units
In physics, engineering, and science calculations, units and unit conversions are often a critical part of problem solving. The 50g lets you
work without adding steps to your calculations when units and unit conversions are required. Let’s learn how to use them.
36. Imagine that your triangle from the previous problem now has units. We can solve using units as well. Press UP UP to select A. Now
Press 10 @-]! HIST (M) ENTER, followed by 85 @-]]!] F6 (F) COS (T) ENTER, then
1@-]]!] F3 (C) HIST (M) ENTER. You have now entered values with assigned units for A, Band C (see
Figure 24). It is necessary to assign units for all three variables so the 50g knows which units to use during the calculation, as the
50g won’t know which unit to assign to a variable without a unit. Note how the units are preceded by the underscore edit mark in
the key sequence above by pressing @-.
37. Now press UP to select Cand press the SOLVE menu key. After a short wait, 2777.092.._cm is returned (see Figure 25). Type 3000
and press ENTER. Note the currently assigned unit is retained. Press DOWN to select Aand press SOLVE. The result, 15.125..._m is
returned.
26.9528–
2
26.95282

Getting Started 13
Getting Started 13
38. Press ENTER to exit to the stack. You will see the variables you solved for labeled with units (see Figure 26). Let's convert the units
on Level 1. Press @followed by 6 (UNITS) for the Units menu.
Notice the menu items change to TOOLS, LENG, etc., as shown in Figure 27. Press the LENG menu key and length units appear on
the menu. Press !followed by the YD menu key and notice your length on Level 1 is changed to yards (see Figure 28). Press
Lto see more length units. Press Lagain and then !followed by the CHAIN menu key to convert from yards to chains.
Press Ltwo more times to wrap around once again to your first menu page and press !followed by the M menu key to
convert back to meters (see Figure 29).
39. The 50g supports compound units as well, such as m/s. Many units are defined by combinations of other unit types. A well known
example is the Newton, a measure of force. Press 1 @ 6 L, the FORCE menu key, followed by the N menu key. 1 newton
Figure 24 Figure 25 Figure 26
Figure 27 Figure 28 Figure 29

14 Getting Started
Getting Started14
is placed on the stack. Now press L, followed by the UNITS, TOOLS, and UBASE menu keys. The NEWTON is converted to 1
kg times meters divided by seconds squared, or 1 .
40. The 50g supports many other unit capabilities such as prefixes (giga, kilo, centi, micro, etc.) and is an invaluable tool for physics
and engineering problems. Using the built-in unit tools, you can utilize units directly in your calculations and save yourself from
time-consuming conversions. Press @followed by \(CLEAR) to clean off your stack before the next section. For more
information about operations with units, see Chapter 3 of the HP 50g Graphing Calculator User’s Manual, or the HP 50g
Graphing Calculator User’s Guide.
Memory Management
41. As we've worked, several variables have been created in the calculator’s memory. Press VAR and a menu with items stored in your
local memory appears. You will notice variables C, B, Aand EQ are there. Press the C menu key and notice that your previous C
variable appears on the stack (see Figure 30).
42. Press ]F3(C) then ENTER. The VALUE stored in Cfrom the previous problem also appears (3000._cm). This is because by
typing C alone, the 50g looks in your memory, discovers a variable stored there named, C and uses it.
43. Now press ³followed by the C menu key and press ENTER. Notice how this time the C is not automatically evaluated. Placing
it inside tic marks (' ') has turned it into a variable name on the stack. Press 100 ENTER followed by RIGHT cursor (see Figure 32).
Now press STO to store 100 into variable C. How are we sure it was stored? Press ³,followed by ]then F3(C) to place
'C' on the stack. Press !followed by STO (RCL) to recall the variable named 'C'; the value 100. appears on the stack.
Figure 30 Figure 31 Figure 32
kg m×
s2
----------------