Windows Softwares to Currency Conversion

OpalCalc is a unique blend of a scientific calculator and a spreadsheet, offering a powerful yet intuitive interface for diverse calculations, from simple arithmetic to complex scientific and financial problems.

CalcTape is a unique calculator application that combines the functionality of a powerful calculator with the usability of a paper tape, allowing for inline editing, note-taking, and easy correction of calculations on Windows, macOS, iOS, and Android platforms.

Windows Calculator is a versatile, built-in application providing standard, scientific, and programmer modes, along with conversion tools. It offers ease of use for basic calculations and advanced functions.

SpeedCrunch is a powerful, keyboard-driven scientific calculator designed for high-precision calculations. With a focus on speed and usability, it offers live preview, input history, and a wide range of built-in functions and features, making complex calculations quick and efficient.

Microsoft Mathematics is a comprehensive, albeit discontinued, educational program designed to assist students and mathematics enthusiasts in solving a wide array of math and science problems. It features a versatile calculator, powerful graphing capabilities, and tools for symbolic computation, making complex equations and concepts more accessible.