1. If, Ands and Buts of Excel
Adam Little
3/10/2018
[website]

2. Formulas of Excel Decrease the amount of time you spend in Excel
Increase the accuracy of your data and your reports

3. Basic Math ADD: can use ‘+’ or SUM(number1, number2, …)
Allows you to add 2 or more numbers together
Can use cell references and arrays
SUBTRACT: use ‘–’
MULTIPY: can use ‘*’ or PRODUCT(number1, number2, …)
Allows you to multiply 2 or more numbers together
DIVIDE: use ‘/’

4. Basic Math Question answers Total Bananas bought: 7
Total fruit bought: 27
Total of apples and peaches: 13
Total cost of apples: $2.40
Brought $20, how much change: $10.05

5. COUNT(value1, value2, …)
Returns the number of cells that have numbers in them
Value can be items, cell references, or ranges

6. COUNT(value1, value2, …)
Result
Number: 4

7. COUNTA(value1, value2, …)
Returns the number of cells containing numbers, text, formulas/functions, and empty text (““)
Does not count empty cells

8. COUNTA(value1, value2, …)
Result
Number: 9

9. AVERAGE(value1, value2, …)
Returns the average of a group of supplied numbers
Excel adds the numbers together and divides by the total number of numbers
The function will automatically ignore empty cells

10. AVERAGE(value1, value2, …)
Results
Abe: 78.8
Debora: 78.8
Johnette: 67.25
Layla: 71.4
Renna: 68.8
Tiny: 62.75

11. MIN(array) MAX(array)
MIN returns the smallest value from a set of data
Ignores empty cells
MAX returns the largest value from a set of data

12. MIN(array) MAX(array)
Results
MIN: 35
MAX: 98

13. IF(logical_test, value_if_true, value_if_false)
To test for or evaluate certain conditions and then react differently depending on whether the test was TRUE or FALSE

14. IF(logical_test, value_if_true, value_if_false)
Results
Alanna: FAIL
Brittany: FAIL
Klara: PASS
Mozelle: PASS
Tiny: PASS
Results
Blythe: F
Darin: B
Jule: D
Mitch: C
Yee: A

15. Nested IF statements
Refers to using more than one IF function so that you can test for more conditions and return more possible results

16. Nested IF statements Results Blythe: F Darin: B Jule: D Mitch: C
Yee: A

17. NOW( ) TODAY( ) NOW – returns the current date and time
TODAY – returns the current date
Takes no parameters, but requires empty parentheses
Will continually update each time the worksheet is refreshed (a value is entered or updated)
F9 will force the sheet to recalculate and update the value

18. NOW( ) TODAY( ) NOW results TODAY results 1: =NOW( ) 2: =NOW( ) + 7

19. MONTH(date) DAY(date) YEAR(date)
MONTH – get the month as a number (1-12) from a date
DAY – get the day as a number (1-31) from a date
YEAR – get the year from a date

20. AND(logical1, [logical2], …) OR(logical1, [logical2], …)
AND – test multiple conditions at the same time
Returns true if ALL arguments are true
OR – test multiple conditions
Returns true if ANY argument is true

21. AND(logical1, [logical2], …) OR(logical1, [logical2], …)
AND results
76: TRUE
81: TRUE
78: TRUE
90: FALSE
85: TRUE
100: FALSE

22. AND(logical1, [logical2], …) OR(logical1, [logical2], …)
OR results
Red: TRUE
Blue: FALSE
Green: TRUE

23. WORKDAY(start_date, days, [holidays])
Returns the “nearest” working day in the past or future
Calculate due date, delivery date, etc that exclude non-working days
Positive days = future date; Negative days = past date
IMPORTANT: this function does not include the start date when calculating the end date

24. WORKDAY(start_date, days, [holidays])
Results
Monday, January 23, 2017
Wednesday, January 2, 2019
Monday, January 8, 2018

25. NETWORKDAYS(start_date, end_date, [holidays])
Returns the number of working days between two dates
Excludes Saturdays and Sundays and optional holidays
IMPORTANT: this function does include the both start and end date when calculating the work days

26. NETWORKDAYS(start_date, end_date, [holidays])
Results
254 5 4

27. DATEDIF(start_date, end_date, unit)
Returns the time between two dates in months, days, or years
Units are days, months, or year
“D”, “M”, “Y”
DATEDIF is known as a “compatibility” function
Works in all versions of Excel, but doesn’t have a help menu
“DATEDIF is treated as the drunk cousin of the Formula family. Excel knows it lives a happy and useful life, but will not speak of it in polite conversation.” –Chip Pearson; exceljet.net

28. DATEDIF(start_date, end_date, unit)
Results 2 24
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