A handy Scientific Calculator with many features. ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History List and more. v5 Includes support for Prefix functions so to evaluate log (10) you can enter log 10 rather than 10 log (which is the default behaviour)

If you would like a Scientific Calculator that also has:
1. Scientific Notation
2. Expression Editing
3. Random Numbers
4. More Functions
5. More Constants
6. User-Defined Constants
7. Descriptive Statistics
8. Conversion between Hexadecimal and Decimal
9. Conversion between Fractions and Decimals
10. Lakh Formatting of Numbers
11. Adjustable Paper Trail Height
12. Printing of Paper Trail
13. Add Notes, Date/Time Stamps and/or Author info to Paper Trail
14. Optional "Stay On Top"
15. More customisations
16. Integrated Help
17. PDF Documentation suitable for printing
18. More Frequent Updating

The license of this software is Freeware, you can free download and free use this calculator software.