PC World Komputer 1997 February

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░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ <ASP> Thanks for trying AstroFormulaCalculator 3 <ASP> ║▒▒░░░░ ░░░░▒▒║ from ║▒▒░░░░ ░░░░▒▒║ PCSCC, Inc. ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ AstroFormCalc 3 and its closely-related family of programs ║▒▒░░░░ ░░░░▒▒║ which include AstroEquationSolver 3, AstroDataFitter 3 and ║▒▒░░░░ ░░░░▒▒║ AstroShadowBox 3 have been developed for the professional ║▒▒░░░░ ░░░░▒▒║ who needs to make calculations but doesn't care to much about ║▒▒░░░░ ░░░░▒▒║ math. The programs are among the highest level of interactive ║▒▒░░░░ ░░░░▒▒║ problem-solving application programs because they require ║▒▒░░░░ ░░░░▒▒║ the least amount of effort to set up and perform virtually ║▒▒░░░░ ░░░░▒▒║ any calculation. For example, complex formulas or explicit ║▒▒░░░░ ░░░░▒▒║ calculations can be entered directly on the DOS command line. ║▒▒░░░░ ░░░░▒▒║ The program self-formats all displays for optimum readability. ║▒▒░░░░ ░░░░▒▒║ Full calculator power, variable creation and advanced ║▒▒░░░░ ░░░░▒▒║ algebraic functions are always available. The versatility and ║▒▒░░░░ ░░░░▒▒║ ease-of-use features found in AstroFormCalc 3 are carried over ║▒▒░░░░ ░░░░▒▒║ into the more advanced areas of simultaneous equations ║▒▒░░░░ ░░░░▒▒║ and data fitting in the programs AstroEquationSolver ║▒▒░░░░ ░░░░▒▒║ and AstroDataFitter, respectively. The TSR member of the ║▒▒░░░░ ░░░░▒▒║ family, AstroShadowBox 3, allows fully interactive math to ║▒▒░░░░ ░░░░▒▒║ be added to any program such as a word processor, editor or ║▒▒░░░░ ░░░░▒▒║ even a more traditional spreadsheet! ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Information on registering for AstroCalculator 3 and ║▒▒░░░░ ░░░░▒▒║ ordering other ASTRO 3 programs can be found in the ║▒▒░░░░ ░░░░▒▒║ file REGISTER.DOC which is included in this package. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ <ASP> <ASP> ║▒▒░░░░ ░░░░▒▒║ For more information, please contact: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ PCSCC, Inc. Dept. SF3 ║▒▒░░░░ ░░░░▒▒║ P. O. Box 173 ║▒▒░░░░ ░░░░▒▒║ Botsford, CT 06404 USA ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Support ONLY, 1-203-270-9079 E-mail to CIS, 72263,1657 ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ AstroFormulaCalculator 3 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Provides full spreadsheet/calculator functions with many ║▒▒░░░░ ░░░░▒▒║ simple-to-use features including: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Integration: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ L= ƒ 4*A*SQR(1-K^2*SIN(Φ)^2) δΦ ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ from Φ = 0 to 1.57 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Differentiation: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ δ Y ║▒▒░░░░ ░░░░▒▒║ ─ of Y = 0.2*T^2*EXP(-0.2*T) at T=2.45 ║▒▒░░░░ ░░░░▒▒║ δ T ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Summation: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ L = Σ 2*N/FACT(2*N)^2 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ from N = 0 to 10 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Solving for the value of X in Y = f(X): ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Y = N * R * T / X ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ If Y = 3, then X = ? ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Solving for the value of X in Y = f(X) = W = g(X) = Z = h(X) ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Y = 1.735551*X+0.209225 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ W = SQR(ABS(17.54480-X^2)) ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Z = 0.4374873*X^3+0.1804274 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ For what value of X do Y = W = Z ? ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ AstroEquationSolver 3 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Provides high-level support to solve simultaneous equations ║▒▒░░░░ ░░░░▒▒║ both linear and nonlinear. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ For example, a group of simultaneous linear equations might be:║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ FD = .9*CD+.05*CR+.07*CO+.05*CS+.05*CP ║▒▒░░░░ ░░░░▒▒║ FR = .04*CD+.9*CR+.05*CO+.05*CS+.05*CP ║▒▒░░░░ ░░░░▒▒║ FO = .05*CD+.03*CR+.75*CO+.05*CS+.20*CW+.05*CP ║▒▒░░░░ ░░░░▒▒║ FS = .01*CD+.01*CR+.03*CO+.51*CS+.05*CW ║▒▒░░░░ ░░░░▒▒║ FW = .01*CR+.05*CO+.3*CS+.6*CW+.05*CP ║▒▒░░░░ ░░░░▒▒║ FP = .05*CO+.04*CS+.15*CW+.80*CP ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ The equations are entered into the program as written, ║▒▒░░░░ ░░░░▒▒║ values are assigned to the dependent variables FD ... FP, ║▒▒░░░░ ░░░░▒▒║ and the program calculates the independent variables ║▒▒░░░░ ░░░░▒▒║ CD .... CP. In the event the equations are not linearly ║▒▒░░░░ ░░░░▒▒║ independent or are not linear, the program informs the user. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ An attempt may now be made to solve them as nonlinear. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ An example of a set of nonlinear equations is: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ XWHEEL=-RWHEEL*SIN(6.28*REVS*T)+DWHEEL ║▒▒░░░░ ░░░░▒▒║ YWHEEL=RWHEEL*COS(6.28*REVS*T)+HWHEEL ║▒▒░░░░ ░░░░▒▒║ XMARBLE=(LSHOOTER+VMARBLE*T)*COSD(ALPHA) ║▒▒░░░░ ░░░░▒▒║ YMARBLE=(LSHOOTER+VMARBLE*T)*SIND(ALPHA)-16.08*T^2 ║▒▒░░░░ ░░░░▒▒║ DELTAX=XWHEEL-XMARBLE ║▒▒░░░░ ░░░░▒▒║ DELTAY=YWHEEL-YMARBLE ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ In this set of equations, the last two equations DELTAX and ║▒▒░░░░ ░░░░▒▒║ DELTAY and the independent variables ALPHA and T are of ║▒▒░░░░ ░░░░▒▒║ interest. One would like to known the values of ALPHA and T ║▒▒░░░░ ░░░░▒▒║ which result in DELTAX=0 and DELTAY=0. The program is set up ║▒▒░░░░ ░░░░▒▒║ so the user can easily designate which equations and variables ║▒▒░░░░ ░░░░▒▒║ are "active" and which others are to be treated as constants. ║▒▒░░░░ ░░░░▒▒║ These features add considerable flexibility in dealing with ║▒▒░░░░ ░░░░▒▒║ any set of simultaneous equations. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ AstroDataFitter 3 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Provides full capabilities for optimizing the values of ║▒▒░░░░ ░░░░▒▒║ the variables of an equation with respect to a data set. ║▒▒░░░░ ░░░░▒▒║ The program is very high level. Simply enter the equation(s), ║▒▒░░░░ ░░░░▒▒║ Designate which independent variable is assigned as the data ║▒▒░░░░ ░░░░▒▒║ coordinate (i.e., the X in an (X,Y) data pair) and which ║▒▒░░░░ ░░░░▒▒║ independent variable is assigned as the data value (i.e., the ║▒▒░░░░ ░░░░▒▒║ Y in an X,Y) data pair). The program will optimize the ║▒▒░░░░ ░░░░▒▒║ values of the active variables which minimize the squared error║▒▒░░░░ ░░░░▒▒║ that results when each data point is substituted into the ║▒▒░░░░ ░░░░▒▒║ "active" equation. This procedure is also called nonlinear ║▒▒░░░░ ░░░░▒▒║ curve-fitting or regression. The program also has a fully ║▒▒░░░░ ░░░░▒▒║ automated polynomial regression function which includes the ║▒▒░░░░ ░░░░▒▒║ popular "linear-least-squares" fit. If desired, the ║▒▒░░░░ ░░░░▒▒║ explicit least-squares polynomial can be generated as an ║▒▒░░░░ ░░░░▒▒║ algebraic equation for further calculations. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ An example of a nonlinear regression follows: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ The equation to be optimized is: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ BETA=BETA0/SQR(1+F^2/FC^2) ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ and the data are: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ F (MHz) BETA ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ 1 105 ║▒▒░░░░ ░░░░▒▒║ 2.5 90 ║▒▒░░░░ ░░░░▒▒║ 5 80 ║▒▒░░░░ ░░░░▒▒║ 7.5 60 ║▒▒░░░░ ░░░░▒▒║ 10 50 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ One desires the best values of FC and BETA0. Data points are ║▒▒░░░░ ░░░░▒▒║ (F,BETA) pairs. The program will substitute each data point ║▒▒░░░░ ░░░░▒▒║ into the equation and calculate the squared error. It will ║▒▒░░░░ ░░░░▒▒║ optimize the values of FC and BETA to minimize the total ║▒▒░░░░ ░░░░▒▒║ squared error across the 5 data points. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ The program can be used to generate interpolation tables. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ ░░░░▒▒╔════════════════════════════════════════════════════════════════╗▒▒░░░░ ░░░░▒▒║ AstroShadowBox 3 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Provides TSR ( "pop up" ) services with an extensive set of ║▒▒░░░░ ░░░░▒▒║ interactive functions. Captures calculations, executes them ║▒▒░░░░ ░░░░▒▒║ and passes them back to the popped-over program via the ║▒▒░░░░ ░░░░▒▒║ keyboard buffer. Captures entires screen and appends the text ║▒▒░░░░ ░░░░▒▒║ to files. Parses screen into a 123 .WK1 file which can be ║▒▒░░░░ ░░░░▒▒║ appended with multiple screens. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ For example, using a text editor, one might create a ║▒▒░░░░ ░░░░▒▒║ calculation such as: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ 115.67 ║▒▒░░░░ ░░░░▒▒║ 234.89 ║▒▒░░░░ ░░░░▒▒║ 567.34 ║▒▒░░░░ ░░░░▒▒║ ------ ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ One would position the cursor where the sum is desired, ║▒▒░░░░ ░░░░▒▒║ pop up with a hot key, surround the calculation in the shadow ║▒▒░░░░ ░░░░▒▒║ box and type (enter). The program will calculate the sum and ║▒▒░░░░ ░░░░▒▒║ return the answer to the text editor. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ If one has a report with tables such as: ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ YEAR AVE PRICE ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ 1988 1.25 ║▒▒░░░░ ░░░░▒▒║ 1989 2.00 ║▒▒░░░░ ░░░░▒▒║ 1990 2.50 ║▒▒░░░░ ░░░░▒▒║ 1991 3.00 ║▒▒░░░░ ░░░░▒▒║ 1992 3.50 ║▒▒░░░░ ░░░░▒▒║ 1993 5.00 ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ One can pop up over it, surround it in a shadowbox and ║▒▒░░░░ ░░░░▒▒║ save it as a .WK1 spreadsheet file. One can also append ║▒▒░░░░ ░░░░▒▒║ to that .WK1 file if the tables occupy more than one screen. ║▒▒░░░░ ░░░░▒▒║ Requires as little as 15K of main memory! ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Program contains many other features as well as complete ║▒▒░░░░ ░░░░▒▒║ compatibility with all ASTRO 3 products. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒╠════════════════════════════════════════════════════════════════╣▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒║ Information on registering for AstroCalculator 3 and ║▒▒░░░░ ░░░░▒▒║ ordering other ASTRO 3 programs can be found in the ║▒▒░░░░ ░░░░▒▒║ file REGISTER.DOC which is included in this package. ║▒▒░░░░ ░░░░▒▒║ ║▒▒░░░░ ░░░░▒▒╚════════════════════════════════════════════════════════════════╝▒▒░░░░ ░░░░▒▒▒▓▓▓▓████████████████████████████████████████████████████████▓▓▓▓▒▒▒░░░░ A "snapshot" of the AstroFormCalc screen with the FINANCE application Manual. The spreadsheet/calculator is format-free and the displayed screen has been formatted with minimal user-supplied information. ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ ▌ ▐ ▌--- Comment --> Mr. Jones estimates that he will need $60,000 to pay for his▐ ▌newly-born daughter's college education in 18 years. He purchases 60 $1,000 ▐ ▌ 'zeros' which mature in 18 years on the open market for $16,325 on July 1st.▐ ▌ (a) What should he report as interest income for the first year YEAR#=0.5? ▐ ▌ (b) What must he report as interest income for the second year (YEAR#=1.5)? ▐ ▌ Type comma key to see answers. Type (F2) to return to application file. ▐ ▌ ▐ ▌ ANNRATE%=200*(EXP(LOG(FACEVAL/PURPRICE)/(2*TERMYR... ANNRATE% = 7.363693 ▐ ▌ ▐ ▌ EFFRATE%=RND(100*((1+ANNRATE%/200)^2-1)) EFFRATE% = 7.5 ▐ ▌ ▐ ▌ PRESVAL=RND(PURPRICE*(1+ANNRATE%/200)^(2*YEAR#)) PRESVAL = 16926.06 ▐ ▌ ▐ ▌ INTRPAID=PRESVAL-RND(PURPRICE*(1+SIGN(FIX(YEAR#))... INTRPAID = 601.06 ▐ ▌ ▐ ▌ ▐ ▌ FACEVAL = 60000 PURPRICE = 16325 TERMYRS = 18 ▐ ▌ ▐ ▌ YEAR# = .5 ▐ ▌ ▐ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ ▌ ▐ ▌--- Comment --> (a) A car costing $19,200 has a useful life of 6 years and ▐ ▌has a scrap value of $1,440. Find the annual rate of depreciation. ▐ ▌ (b) Construct a depreciation schedule: book value at year end, ▐ ▌depreciation charge and amount in depr. fund for years 1, 3 and 6. ▐ ▌ Type comma key to see answers. Type (F2) to return to application file. ▐ ▌ ▐ ▌ RATEDEPR=1-EXP(1/NYEARS*LOG(SCRPVAL/ORIGCOST)) RATEDEPR = .3506031 ▐ ▌ DEPR%=RND(100*RATEDEPR) DEPR% = 35.06 ▐ ▌ BKVAL#1=RND(ORIGCOST*(1-RATEDEPR)) BKVAL#1 = 12468.42 ▐ ▌ BKVAL#2=RND(ORIGCOST*(1-RATEDEPR)^2) BKVAL#2 = 8096.95 ▐ ▌ BKVAL#3=RND(ORIGCOST*(1-RATEDEPR)^3) BKVAL#3 = 5258.14 ▐ ▌ BKVAL#N=RND(ORIGCOST*(1-RATEDEPR)^N) BKVAL#N = 12468.42 ▐ ▌ DPRCHARG=RND(ORIGCOST*(1-RATEDEPR)^(N-1))-BKVAL#N DPRCHARG = 6731.58 ▐ ▌ DPRFUND=ORIGCOST-BKVAL#N DPRFUND = 6731.58 ▐ ▌ ▐ ▌ ▐ ▌ ▐ ▌ N = 1 NYEARS = 6 ORIGCOST = 19200 ▐ ▌ SCRPVAL = 1440 ▐ ▌ ▐ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ (c) PCSCC, Inc., 1993-94, All rights reserved Permission granted to <ASP> vendors to copy and distribute. A Summary of the ASTRO 3 Interactive Online Manuals follows: Name: SCI312.ZIP Category: ENGINEERING Keywords: INTERACTIVE ENGINEERING AND SCIENCE MANUAL, SPREADSHEET, CALCULATOR, FORMAT FREE, SELF STUDY, FORMAT FREE <ASP> Description: Interactive online manual for problem solving in all math based areas such as science, engineering, finance... Topics: interpolation, integration, series, random numbers, standard deviation, least squares regression, mortgages, depreciation, zero coupons, interest, mortality, currency, optics, mirrors, lenses, surveying, physics, chemistry, electricity. Completely solved problems with versatile spreadsheet/calculator. For professionals who need results of calculations fast without hassle from setup or math! <ASP> Shareware. upl/auth PCSCC. Name: PHY312.ZIP Category: EDUCATION Keywords: INTERACTIVE PHYSICS MANUAL, EDUCATION, SELF STUDY, SPREADSHEET, CALCULATOR, SCIENCE, ENGINEERING, FINANCE <ASP> Description: Interactive online manual for problem solving in PHYSICS, APPLIED PHYSICS and PHYSICAL CHEMISTRY. Techniques are applicable to all math based analysis. Topics: vectors, motion, radiation, stress/strain, series, integration, ideal gases, electricity, optics, ac circuits, rf design. Completely solved problems with versatile spreadsheet/calculator. High level font-end. Format free. Full calculator functions. For students or professionals who need results of calculations fast without too much hassle from setup or math! <ASP> Shareware. upl/auth PCSCC. Name: FIN312.ZIP Category: BUSINESS Keywords: INTERACTIVE FINANCE MANUAL, EDUCATION, SELF STUDY, SPREADSHEET, CALCULATOR, SCIENCE, ENGINEERING, BUSINESS, INVESTING <ASP> Description: Interactive online manual for problem solving in FINANCE. Techniques are applicable to all math based analysis. Topics: compound interest, discount, partial payments, bonds, negative amortization, zero coupons, annuities (ordinary, deferred, certain, due, whole life), perpetuity, endowment, depreciation, sinking funds, mortality, probability, progressions. Completely solved problems with versatile spreadsheet/calculator. High level font-end. Format free. Full calculator functions. For students or professionals who need results of calculations fast without too much hassle from set up or math! <ASP> Shareware. upl/auth PCSCC.