spreadsheets javascript rule formula dependency graph poi-hssf and poi-xssf/sxssf java api to access microsoft excel format files

 spreadsheets javascript rule formula

 dependency graph poi xssf sxssf  HSSF  XSSF SXSSF workbook sheet row cell

 dependency graph poi-hssf and poi-xssf/sxssf - java api to access microsoft excel format files 

https://medium.grid.is/we-built-a-spreadsheet-engine-from-scratch-heres-what-we-learned-e4800ab9edf1

https://poi.apache.org/components/spreadsheet/

 spreadsheets engine javascript rule formula libraries

spreadsheets javascript rule formula libraries 

XSSFWorkbook workbook XSSFWorkbook  worksheet getCharts WorkbookFactory  XSSFChart

https://www.researchgate.net/figure/Dependency-graph-for-steps-1-3-of-Algorithm-27-step-4-is-completely-independent-of_fig1_318121019

https://github.com/dbarowy/gCheckCell

implementing dynamic programs in spreadsheets john f. raffensperger, pascal richard

hierarchy workbook worksheet    Excel Object Hierarchy