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## Course Notes: Week #2 (Sept. 28-Oct. 2)

by: Megan Hageman

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# Course Notes: Week #2 (Sept. 28-Oct. 2) CSE 1111

Megan Hageman
OSU
GPA 3.806

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Here are the Notes from what we covered in class this week along with the Course Notes for Chapter 1.8. Have a good rest of your week and weekend!
COURSE
Intro to Computer Problem Solving
PROF.
Cindy Grimme
TYPE
Class Notes
PAGES
2
WORDS
KARMA
25 ?

## Popular in Computer Science and Engineering

This 2 page Class Notes was uploaded by Megan Hageman on Thursday October 1, 2015. The Class Notes belongs to CSE 1111 at Ohio State University taught by Cindy Grimme in Summer 2015. Since its upload, it has received 31 views. For similar materials see Intro to Computer Problem Solving in Computer Science and Engineering at Ohio State University.

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Date Created: 10/01/15
CSE  1111     Week  #2  Course  Notes    (Sept.  28 -­‐Oct.  2 )       Course  Notes  1.8   The  IF  Function:  evaluates  similar  to  AND,  OR,  NOT  functions  but  instead  of  just   returning  the  answer  TRUE  or  FALSE  it  performs  another  action  based  on  if  it  is   TRUE  or  FALSE   -­‐ Basically  takes  the  process  one  step  further   -­‐ IF(logical_test,  value_if_true,  value_if_false)   Nested  IFS:     -­‐ If  there  are  more  than  just  the  TRUE  or  FALSE  results   -­‐ Maybe  there  is  another  criteria  within  the  TRUE  or  FALSE  function   EX:  Does  a  person  earn  less  than  \$1000?  If  this  statement  is  TRUE  then  the  company   contribution  the  person  must  make  is  automatically  \$0.  But,  if  the  statement  is   FALSE,  meaning  the  person  makes  more  than  \$1000,  you  must  then  determine  if   this  person  makes  under  \$2000.  If  that  is  TRUE,  they  do  make  less  than  \$2000,  then   their  contribution  is  50%.  If  that  statement  is  FALSE  again  then  their  contribution  is   100%.     -­‐ In  this  example  there  is  a  second  requirement  after  you  determine  the   first  statement  is  FALSE   -­‐ In  the  third  argument  you  would  have  a  nested  IF  function  to  account  for   this   Lecture  Notes  (Sept.  29 )   th IFs  and  Nested  IFs       IF  function:     -­‐  Must  result  in  a  Boolean  function       -­‐  Can  display  other  things  besides  just  TRUE  or  FALSE   IF(Logical_test,  value_if_true,  value_if_false)   -­‐ The  third  value  is  optional     Ex:  IF(E4>=300,  “pass”,  “fail”)   The  function  can  also  return  a  specific  number     Ex:  IF(E4<150,  E4*1.1,  E4)     IFs  with  Boolean  and  arithmetic  functions  in  the  condition   Ex:  IF(AND(logical_test,  logical_test2,…),  “A”,  FALSE)     You  can  use  a  logic  diagram/decision  tree  before  designing  a  Nested-­‐IF  formula   -­‐ Second  or  third  argument  of  an  IF  statement  can  be  another  IF  statement   (up  to  64  levels  of  Nested  IFs)     *ORDER  MATTERS       -­‐  Order  matters  with  criteria  that  are  not  mutually  exclusive     Lecture  (Oct.  1 )    -­‐  In-­‐Class  Exercise  #3

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