Powerful calculation engine with over 150 built-in formulas

Essential Calculate allows you to add extensive calculation support to your business objects. Easily setup forms that have calculation dependencies among various controls. Essential Calculate comes with a functions library of more than 150 entries, and it supports cross-sheet references. When used in conjunction with Essential XlsIO, you can fully load, manipulate, and compute Excel spreadsheets with no dependence on Excel.

Excel-Like Calculations without Excel

When used with Essential XlsIO, Essential Calculate gives you Excel-like functionality without Excel.

• Essential Calculate + XlsIO

ICalcData for Data Objects

Almost any custom object can support calculations by implementing Essential Calculate's ICalcData interface.

• ICalcData Interface
• Methods and Events

CalcQuick

The CalcQuick class in Essential Calculate provides an easy method to add calculation support to your objects.

• Use with Arbitrary Objects
• Specifying Related Controls
• Automatic and Manual Calculations

CalcDataGrid

When used with Essential XlsIO, Essential Calculate gives you Excel-like functionality without Excel.

• Calculations
• Cross-grid References

Functions Library

The CalcDataGrid class in Essential Calculate is an easy way to add calculation support to a Windows Forms data grid.

• Custom Functions
• List of Functions