Syncfusion Essential Calculate
Essential Calculate is a class library that lets you add formula calculation support
to both Window Forms and Web Forms applications. Essential Calculate does not depend
upon Microsoft Excel and thus allows you to perform calculations independent of
Excel. The range of calculations runs from simple algebraic expressions such as (1.2^3-1)/8,
to formulas using intrinsic functions like 4 * sqrt(exp(8.4)), to formulas relying
on variables that are defined through controls on a form such as cos([textBox1]
* pi()/180), to spreadsheet-like formulas such as Sum(A2:B14). Essential Calculate
lets you parse and compute such expressions and includes a library of more than
150 functions. This function library is easily extendable. The data used in the
calculations can be from any source, ranging from fixed values, to values that are
entered through controls, to data tables and Excel spreadsheets.
Featured Samples

XLS File Using CalcEngine

Tabbed panel grid demo

Working with CalcQuick demo