Sites and apps similar to Real Time Calculator include Wolfram Alpha, which has a free version. Other options are SpeedCrunch, Fossify Calculator, Qalculate! and OpenCalc. Calculators like Real Time Calculator are a crowded field, with more than 100 alternatives for Android, Windows, Mac, iPhone and iPad.
Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.
Germany
EU
Hissab is a simple and intuitive calculator, unit-convertor and productivity application.
Scientific calculator with arbitrary precision and portrait and landscape mode. Fraction and periodic numbers support. Looks like a real calculator! The calculator has up to 100 digits of significand and 9 digits of exponent.
SloveniaEU
As a kid, I loved playing with a calculator. Whether a calculator watch or a TI-89, it offered an intoxicating command over impossibly large numbers and could be hacked to share messages with friends. Somewhere along the way, the calculator became another boring tool.
United States
NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.
FranceEU
Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.
PolandEU
Calculator with percentages, powers and functions. History with comments that is synced across all your devices. Cursor for editing anywhere. Simple interface with dark and light themes.
HungaryEU
CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.
GermanyEU
With MyScript Calculator, perform mathematical operations naturally using your handwriting.
FranceEU
A Simple but elegant Calculator app made with Flutter using Google's Material Design with Currency (Exchange Rate) and Unit Converter.
