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scieqs13.doc
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1989-09-19
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SCIEQS (v1.3) by George Yee REGISTRATION ($6.00)
Update
(Abstracted from the program documentation)...
Scientific Equation Solver (SCIEQS) acts as a sophisticated scientific
calculator. It can perform double precision floating point arithmetic
using an assignment statement syntax similar to BASIC or FORTRAN.
Variables may be assigned values in one statement and then used on the
right-hand side of another statement.
Almost every built-in function found on scientific calculators has
been included: trigonometric, hyperbolic, exponential, logarithmic,
factorial, and square/cube root functions. Even advanced functions
such as erf(x) and gamma(x) have been included. You can also define
your own functions with any number of arguments.
There is also an equation solver built into the program. This feature
allows the program to solve for any variable in a given equation.
- - -
SCIEQS also supports numerical integration (also known as quadrature).
This feature allows the program to approximate the values of definite
integrals.
- - -
The program reads its input from the standard input and writes its
output to the standard output so you may use the data redirection
symbols >, >>, <, and | from the MS-DOS command line.
- - -
SCIEQS is an expression oriented language. Expressions typed by the
user are interpreted, evaluated, and displayed immediately by SCIEQS.