EngCalc

Expression evaluator with many built-in functions, operators and modes. User variables & functions.
Radian & degree modes. Enter, evaluate and modify expressions, with intuitive syntax and more than 100 functions.
Numerical operations on expressions. The Expression Calculator performs all and even more oprations you`ll ever need on a
calculator, it is a full expression analyser, stacked signed parenthesis, algebric priority and functions aware.
It brings the power of your multitasking environment.
Operations are done with extended numbers . It can perform decimal operations in degrees and radians,
as well as hexadecimal, octal and binary integer conversions with VBScript.
is a powerful scientific calculator with cut and paste data between the calculator and other applications,
access a comprehensive and extensible range of physical data constants and conversions.
parenthesis for precedence.the expression "2pi" is correct
and no need of use parenthesis for functions such as sin(x*x),log(x*x)and etc.
support sin^2(x*x) format for the first time.
Priority of Operators
Evaluation and priority, Expressions with same priority operators,
Parenthesized expressions
Trace precedents,Trace Dependents,Trace Error,Evaluate Formula,Formula Auditing
Assignment Statement
Built-in Functions
Logical Expressions
Reading Strings
Loading txt files and reading line by line and calculate them and report summation.
Leaving Footprints
Building, Extracting, and Searching Strings
Using conditions to validate input data
Support these features with vbscript(a visual basic language):
The DO Statement
The GO TO statement, Labels
The IF Statement
Compound Comparisons
Iterative Statements and the Loop
DO Statement for a Count Loop
Factoring
Character Data and Constants
Character Names, and Assignments
Character Operations
call a Subroutine
Match Casio Based Integrations
Subroutines with Parameters
Function Procedures