????? 2
? MathCAD 2.5 ONLINE HELP ?????? TO LEAVE HELP, PRESS [Esc] ?
? ARRAYS ? EQUATIONS ? MOVING ?
? A ? Matrices ? E ? Editing ? M ? Move Cursor ?
? A ? Vectors ? G ? Disabling ? M ? Search/Replace ?
? O ? Operators ? N ? Formatting ? ?
? B ? Functions ? S ? Solving ? NAMES ?
? ? ? G ? Subscripts ?
? CONFIGURATION ? FUNCTIONS ? G ? Built-in Variables ?
? C ? Command Files ? F ? Built-in ? X ? Defining Variables ?
? W ? Display Options ? B ? FFT ? G ? Greek Letters ?
? C ? DOS Subshell ? L ? Statistical ? ?
? W ? Memory ? X ? User-defined ? OPERATORS ?
? ? F ? Conditional ? O ? Fundamental ?
? DATA ? ? J ? Deriv/Integrals ?
? D ? Disk I/O ? GRAPHICS ? J ? Sums/Products ?
? I ? Input Table ? P ? Graphs (2D) ? V ? Vectorize ?
? H ? Sorting ? P ? Surface Plots ? S ? Boolean ?
? ? Q ? Format 2D Plots ? ?
? DOCUMENT MANAGEMENT ? R ? Format 3D Plots ? TEXT ?
? C ? Pagebreaks ? K ? Sketch Import ? T ? Editing ?
? C ? Printing ? ? ?
? C ? Save, Load ? ITERATION ? UNITS ?
? C ? Split Screens ? I ? Range Variable ? U ? Defining ?
? W ? Calculate ? I ? Seeded ? U ? Conversions ?
`???? FOR HELP ON A TOPIC, PRESS CORRESPONDING LETTER ?????
????? CREATING A MATRIX ?????????????? ADDING OR DELETING ROWS/COLUMNS ????????
Press [Alt]M, enter dimensions DELETE: Put cursor on row or column
and fill in placeholders to be deleted. Press [Alt]M
? ? ?
?? 3.14 [Esc] set prnprecision
?
Press [Esc] filename f A:\MA\BUH.AY ? 1 2 -> 1 2 [Esc] set prncolwidth
and use "f" as shown above ?
?
MAIN HELP MENU [F1] More Info...Ch 15 TO LEAVE HELP [Esc]
COPY, CUT OR PASTE ONE OR MORE REGIONS ? COPY, CUT, OR PASTE PART OF AN EQN
?
A region can be an equation, plot, ? TO DELETE AN EXPRESSION, move cursor
imported drawing, or text. ? to the top-level operator of the
? expression and press [Ctrl][F3]
TO DELETE A REGION, move the cursor ? TO MOVE AN EXPRESSION, delete it,
into the region and press [F3]. ? move the cursor to an empty place-
TO MOVE A REGION, delete it, move the ? holder (?) and press [Ctrl][F4]
cursor to the new location, press [F4]. ? TO COPY AN EXPRESSION, follow the
TO COPY A REGION, follow instructions ? instructions for moving but use
for moving but use [F2], not [F3]. ? [Ctrl][F2] instead of [Ctrl][F3]
?
TO DELETE, MOVE, OR COPY MULTIPLE REGIONS ? If you don't know the top-level
1. Mark the first region by moving the ? operator, experiment with [Ctrl]
cursor into it and pressing [Ctrl]Y. ? [F3]. Remember that an immediate
2. Mark the last region with [Ctrl]Y. ? [Ctrl][F4] will undo whatever you
3. Press [F2] to cut, [F3] to copy, or ? just did with [Ctrl][F3].
[F4] to paste. ?
? TO CREATE A MATCHED PAIR OF
TO DELETE A CHARACTER, place the cursor ? PARENTHESES with an empty
on the character and press [Del]. ? placeholder, use the apostrophe.
TO INSERT A CHARACTER, place cursor ahead ?
of where character should be and type ? (?) 1 ???integrand ? Value of TOL ? x := 30 ? ? ? ?? x = 108
? variable of ? To change it, ? dx ^
limits of integration ? type ? ^ ???function to be
integration ? ? ? differentiated
? [Esc] set TOL ? ?
? ? differentiation variable
?????
? SUMMATION ???????????????????????????????????? ITERATED PRODUCT ?????????????
Press $ and fill in ? Press # and fill in
the placeholders ? the placeholders
?
? x ? ? x
i ^i ? i ^i
range ^ ? ? range ^ ? term to be
variable?? summand ? variable?? ??? multiplied
?
MAIN HELP MENU [F1] More Info... Ch 12 TO LEAVE HELP [Esc]
????????????????? IMPORTING DRAWINGS FROM CAD SOFTWARE ????????????????????????
?
1. Create an HPGL output file ? 3. From MathCAD, press [Alt]5
with your CAD software ? to create a sketch region.
?
2. From DOS, type ? 4. Put in the placeholder.
MCSTRANS . ?
to create a MathCAD readable ? 5. For files on other disks/directories,
file called .MCS ? use [Esc]filename. (For Help, press [F1]D)
?
????????????????????????? FORMATTING A DRAWING ????????????????????????????????
To format a single drawing: ?
move cursor into sketch region and press "f" ? To format all
? subsequent drawings:
?????? ?
? Size=15,30 linterp(Z,Y,z) ? F = hist(X,W) ? rnd(x)=uniform distribution
? ????????? ? between 0 and x
Cubic Spline Example ? Vector of intervals ?
? requires W >W ? To start a different
Choose one: ? i i-1 ? sequence, change seed by
? ? ?
?cspline(Z,Y) cubic ends ? F = # of "X" values ? [Esc] randomize i
VS=?lspline(Z,Y) linear " ? i falling in the ?
? ?pspline(Z,Y) parab " ? interval ? To restart the same
? ? ? ? sequence, use [Esc]
????????????Ŀ ? W ? X < W ? randomize but do not
f(z)=interp(VS,Z,Y,z) ? i i-1 ? change the seed value.
??? ???
MAIN HELP MENU [F1] More Info...Ch 13 TO LEAVE HELP [Esc]
? MOVING TO A STRING ? ^ ?? MOVING LARGE DISTANCES ??
? ? ? ? ?
? Find a string ? [Ctrl][PgUp] -19 ? move cursor ?r rows and ?
? ? ? ? ?c col's from current loc ?
? [Ctrl][F5] ? ? ? [Esc] move ?r ?c ?
? ? ? ? go to row r and column c ?
? Find, then replace ? ? ? [Esc] goto r c ?
? ? ? ? beginning or end of doc. ?
? [Ctrl][F6] ? [PgUp] ? -10 ? [Ctrl][Home] [Ctrl][End] ?
? ? ? ? ?
??????? ? ?????????
[^]
]?????[Ctrl][>]??????????[Ctrl]G???>
-80 -10 [ ] +10 +80
?? FAST SCROLLING ?? ?
? ? ? ?? SHORTCUTS IN EQUATIONS ??
? To avoid needless ? [PgDn] ? +10 ? ?
? recalc while scrolling,? ? ? [Tab] next operator or ? ?
? ? ? ? [Shift][Tab] previous oper or ? ?
? [Esc] manual ? ? ? [Home],[End] 1st/last oper or ? ?
? ? [Ctrl][PgDn] +19 ? ?
? Then [F9] to recalc ? ? ?????????
???????
MAIN HELP MENU [F1] More Info...Ch 3 TO LEAVE HELP [Esc]
?????? GLOBAL FORMAT ???????????????????????? LOCAL FORMAT ????????????????????
Type [Esc]format to see the menu ? Move cursor into displayed result and
below. Use ? and ? followed by ? type "f" to see a subset of the menu below.
[Return] to change an item. All ? Use ? and ? followed by [Return] to change
displayed results are affected. ? an item. Only this equation is affected.
?
Show 3 decimal ??????Ŀ ??????? ?? d=decimal,h=hex,o=octal
places ? ? Radix = d ?? Displayed Precision=3 ? Show z in exponential
?-1=i or j ????????????Ŀ ? Exponential Threshold=3?? Imaginary Symbol=i ?
Show z as 0 if z<10 ???>? Zero Tolerance=15 ? ??? Show z as real if
? Complex Tolerance=2 ?? Overall Default ? Show z as imag if
????>? Revert ? ?Im(z)?Re(z)? < .01
? ? Done ? i ??? +????? ? ? ?
? 0??????????????? ???????????????????????????????????????
? 0 x,i 10 ?
? ??? ? TO DELETE: Place cursor in plot,
? ? ??range variables ? then press [F3]
? ? ?
? ? axis limits (optional, ? TO MOVE: Delete as described above,
? MCAD will autoscale if ? move cursor to new location and
? these are left blank) ? press [F4]
? ?
??????? subscript required when ? TO FORMAT: For help on 2D plots,
plotting an array ? press [F1]Q. For help on 3D
? plot, press [F1]R
???
MAIN HELP MENU [F1] More Info...Ch 16,17 TO LEAVE HELP [Esc]
?? TO FORMAT A SINGLE PLOT ????????????????? TO FORMAT ALL SUBSEQUENT PLOTS ???
Move cursor into plot region and ? Type [Esc] plotformat to see menu,
press f to see menu below. Then ? Then use or followed by [Return]
use or followed by [Return] ? to change settings.
to change settings. ?
??????????????????????????????????????????????????????????????????????????????ͻ
? 15 rows high ?
? 30 cols wide ????? ??? Gridlines: 4 subdiv on Y axis ?
? ????????????>? Size=15,30 ? ? 1 subdiv on X axis ?
? "l" connects pts ??>? Trace Types=l ? ? (On log axis, only 1, 2 or ?
? with lines. See ??>? Log Cycles=0,3 ? ? 9 subdivisions are allowed) ?
? table below for ? ? Subdivisions=4,1?? Size=15,30 ? Rotation=90 views along ?
? Tilt=90 views surface ? ? Rotation=10 ?? Tilt=35 ? ?
? Tilt=0 views surface ??>? Vertical Scale=3 ? ?
? edge on ? ? Global Default ?][<][^][ ] ? TO MARK A TEXT BLOCK: Press [Ctrl]X, then
band or region ? move to end of text block, [Ctrl]X again.
Move by WORD [Ctrl]W or [Tab] ? TO COPY OR CUT: First mark the text, then
Move by LINE [Ctrl]L ? press [Ctrl][F2] or [Ctrl][F3].
Move by SENTENCE [Ctrl]S ? TO COPY, CUT OR PASTE A TEXT BAND/REGION:
Move by PARAGRAPH [Ctrl]P ? Put cursor in text band/region. Press
Move by CHARACTER [>][<][^][ ] ? [F2],[F3], or [F4] to copy, cut, or paste
Move FORWARD [Ctrl]F ? TO PASTE TEXT INTO A TEXT BAND/REGION:
Move BACKWARD [Ctrl]B ? Move cursor to where text is to be placed
? and press [Ctrl][F4].
Ex: Move back 1 word, down 1 line ? TO CENTER TEXT: Press [Ctrl]C
[Ctrl]B [Ctrl]W [Ctrl]F [Ctrl]L ? TO REWRAP TEXT: Press [Ctrl]N
? TO START A NEW LINE: Press [Return]
MAIN HELP MENU [F1] More Info...Ch 4 TO LEAVE HELP [Esc]
????????? DIMENSIONS ???????????????????? DEFINING UNITS ??????????????????????
? ?
The built in dimensions are: ? g := 1M ?
? cm := 1L? ? 0? ? ? ? ? ?
? and type sin(x) = ?.707? ? ? ??> ? 0? Press [Alt]- and ?
? sin(x) in ? ? 1? ? ? x?x = ?0.617? type (x*x) in ? ?
? ? ? ? ? ?2.467? ?
?????????????????????????????????ͼ ? ? ? ?
??????????????????????????????????????ͼ
??Example 3????????????????????????????????????????????ͻ
? ????> ? ? ?
? Press [Alt]- and type i?x ? 1? ?
? (e^(1i*x)) in ? e = ?.707 + .707i? ?
? ? i? ?
? ? ? ?
???????????????????????????????????????????????????????ͼ
MAIN HELP MENU [F1] More Info...Ch 10 TO LEAVE HELP [Esc]
?? STARTUP OPTIONS ??????????????????????? SCREEN UPDATE COMMANDS ?????????????
/M Start in MathCAD in manual ?
mode ? [F9] Update screen
?
/Lnnnn Use nnnn KB of LIM memory ? [Esc] process Update entire document
?
/Rname Execute the commands found ? [Esc] auto Update eqns as required
in NAME.MCC upon startup. ?
Press [F1]C for more help ? [Esc] sep Separate overlapping
? regions (see Ch 3)
/Fnn Set foreground color to nn ?
/Bmm Set background color to mm ? [Ctrl]R Redraw screen
?
?? DISPLAY OPTIONS ??????????????????????? MISC COMMANDS ??????????????????????
?
To override MCAD's choice of display ? [Esc] memory Check available
adaptor, use one of the following: ? memory (see Ch 6)
?
/V VGA /EH EGA w/256K card ? [F10] Show MathCAD's
/E EGA at highest res ? pull-down menu
/C CGA /EM EGA, monochrome ? (see Ch 1)
/T Toshiba monitor ?
/A AT&T 6300 /EC EGA 640x200 res ?
/H Hercules /VM VGA mono ?
MAIN HELP MENU [F1] More Info...Appendix A, Ch 7 TO LEAVE HELP [Esc]
?? LOCAL DEFINITIONS ??????????????????? GLOBAL DEFINITIONS ???????????????????
u := 6 Type u:6
^ x = 66 Evaluated even though
???????Ŀ definition appears below
x := 11?u Since u is defined
earlier, x can u ? 6 Type u~6
x = 66 be evaluated ^
^ ??????Ŀ Definition for u must still
??????Type x= to evaluate x ? 11?u precede its use
?????????????????????????? USER DEFINED FUNCTIONS ?????????????????????????????
??u must be defined Example: S(V,n) returns nth partial
sum of the sequence in V
f(?) := 11?u?cos(?) f(0) = 66
^ i := 0 ..10 V := i
? ? in arg list need not be defined i
g(w,?) := 11?w?cos(?) g(6,0) = 66 S(V,n) := ?(i ? n)?V
^ i i
?? Neither ? nor w need be defined
S(V,3) = 6
MAIN HELP MENU [F1] More Info...Ch 1,7 TO LEAVE HELP [Esc]