Paperless Publishing web publishing. ebooks. digital paper.
Paperless Publishing web publishing : html – hypertext markup language Search engines : –front end –index / database –crawler / bot / index builder –ranking hits.
Paperless Publishing Portable Document Format (PDF). Copyright Protection.
modeled after accounting ledgers: dynamic ledgers : VisiCalc. software sells hardware. Apple Computers. today - still using many of the same principles as 20 yrs ago Spreadsheets
Basic features include : automatic updating of calculations, graphing results, built-in functions for common computations. Spreadsheets
Cell : intersection of a column and row. cell address : A3 or GG567 Cell Range - denotes a contiguous group of cells, identified by the cell address of the top left corner followed by the cell address of the bottom right corner. worksheet / pages Spreadsheets
Cell Range C2:D5 Cell - D11 Column A Row 8 Spreadsheets
Data that can be entered in a cell Text / Labels Numbers : actual numerical values (including dates and times) Formulas. Spreadsheets
Formulas : start with a special character to indicate calculation. can reference other cells = B4 + C1 dynamic : change as dependant values change. can use built in functions. Spreadsheets
Rows & Columns Cell Addresses & Ranges Formulas & Functions Absolute vs. Relative References Macros Templates Wizards Spreadsheets
Linking Database capabilities Analysis Tools Graphing : – lies graphs tell. Spreadsheets
accounting software. tax preparation software. statistics & data analysis. mathematical software tools. Other Calculation Tools
depict information using spatial or graphical representations. facilitate comparison, pattern recognition, change detection. cognitive skills that make use of the visual system. Information Visualization
Problem : How can we understand large datasets? Solution : the human perceptual system, convert information into a graphical representation. Information Visualization
computer modeling. abstractions. spreadsheets, programming languages, mathematical and statistical packages. Simulation
Cost Safety Projection Visualization Replication Simulation
assumptions abstraction / simplification reliance Simulation