TTCalc VS RealCalc Scientific Calculator

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Precise Calculator - Free programmable scientific calculator for Windows; solve math problems, algebra, statistics examples and tutorial

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

PCalc - PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody...

Numi App - Numi is a beautiful text calculator for Mac.

Google - Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web