Calculator Apps and Services

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.

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.

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.

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.