Calculator
Published: 25 Jul 2026
Common Logarithm Calculator
Calculate a logarithm using characteristic, mantissa, mean difference and complete steps.
log
Try an example:
Final Answer
Step-by-Step Solution
1
Write in Scientific Form
2
Find the Characteristic
3
Find the Basic Mantissa
4
Add the Mean Difference
5
Combine Characteristic and Mantissa
Note:This calculator finds common logarithms with base 10.
It uses the first three significant digits for the basic
mantissa and the fourth digit for the mean difference.
Only positive numbers can have a real logarithm.
Anti Log
Anti-Logarithm Calculator
Find the anti-logarithm using the characteristic, mantissa, table value and mean difference.
log x =
Enter a logarithm above.
Try an example:
Final Answer
Step-by-Step Solution
1
Separate Characteristic and Mantissa
2
Find the Basic Anti-Log Table Value
3
Find the Mean Difference
4
Add the Mean Difference
5
Place the Decimal Point
Note:The first two mantissa digits select the row,
the third digit selects the column, and the fourth
digit selects the mean difference. The characteristic
determines the position of the decimal point.
Latest Posts
Please Write Your Comments
`Comments (0)
INSTRUCTIONS:
- Be Respectful
- Stay Relevant
- Stay Positive
- True Feedback
- Encourage Discussion
- Avoid Spamming
- No Fake News
- Don't Copy-Paste
- No Personal Attacks
INSTRUCTIONS:
- Be Respectful
- Stay Relevant
- Stay Positive
- True Feedback
- Encourage Discussion
- Avoid Spamming
- No Fake News
- Don't Copy-Paste
- No Personal Attacks
