Downloading ESBCalc 9.4 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free program is ESB Consultancy.
The latest version of ESBCalc can be installed on PCs running Windows XP/Vista/7/8/10/11, 32-bit. We recommend checking the downloaded files with any free antivirus. The most popular versions of the tool 9.4, 7.3 and 7.2. The common filenames for the program's installer are ESBCalc.exe or ESBCalcPro.exe etc. ESBCalc is categorized as Office Tools.
From the developer:
This software 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.
You may want to check out more software, such as ESBCalc Pro, ESBUnitConv Pro or ESB Calculator, which might be similar to ESBCalc.