ESBCalc

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).

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