spreadsheets:
pie charts show relative perorations of the parts to the whole
line charts: show trends over Time.

eradicating spreadsheet errors:

1. plan workst b4 entering info
2. make assumptions accurately
3. double chk
4. make formula readable
5. use program functions
6. put data first
7. do not distract reader
8. make it easy to compare
9. relate to resto f doc
10. learn from experts

not really used in accounting. spreadsheets are difficult and time consuming.

advanced professionals use mathematics-processing software.

statistics: the science of collecting and analyzing data. they answer random questions for the betterment of something. they are not used on spreadsheets, they use mathematical programs.

computer modeling and simulation:

it helps the researcher see it done in certain ways. most computer games use simulation

AOI:business and employment and education. used in vid games and used in physical biological and engineering, business marketing, banking and others.

its sometimes safer to use comp. simulation i.e studying nuclear reactions, its cheaper , it can save things like deer b.c we can view the change in nature to later better it.

some bad things would be:

wrong predictions, information can be lost b/c the program is so big, you get dependent on it.