1. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
Enrichment Activity
In Microsoft Excel, there are some useful functions for number system conversion.

2. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
1.　To use the conversion functions in Excel, select ‘Formulas’ → ‘More Functions’ → ‘Engineering’. You can then see various engineering functions such as ‘BIN2DEC’ and ‘BIN2HEX’.

3. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
1.　

4. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
2.　Guess the meaning of the following functions and apply 　　them in your spreadsheet.
　　BIN2DEC, BIN2HEX, DEC2BIN, DEC2HEX, HEX2BIN, 　　HEX2DEC

5. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
3.　Create the following spreadsheet to help you do number 　　system conversions.

6. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
3.　Using the functions stated above, fill in the formula 　　required for each cell in the table below.
　　(The formulae for cells C6 and D6 have been done for 　　you.)　
Cell
Formula C6
=DEC2BIN(B6) D6
=DEC2HEX(B6)
C11
D11
C16
D16
=BIN2DEC(B11)
=BIN2HEX(B11)
=HEX2BIN(B16)
=HEX2DEC(B16)

7. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
4.　What happens if we use DEC2BIN(B6,8)?
　　＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿
An 8-bit binary number will be displayed in cell B6.

8. Using Excel to do number system conversion
Activity 4
Using Excel to do number system conversion
4.　What happens if we use DEC2BIN(B6,8)?
　　＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿
An 8-bit binary number will be displayed in cell B6.