Windows Calculator Alternatives for Windows

There are many alternatives to Windows Calculator for Windows if you are looking for a replacement. The best Windows alternative is SpeedCrunch, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Windows Calculator and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Windows Calculator are Qalculate!, Insect, OpalCalc and Qaltex.

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Windows Calculator

Free • Open Source
Calculator
Windows

A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter....

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SpeedCrunch
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No
Free • Open Source
Calculator
Mac
Windows
Linux
PortableApps.com
116 alternatives to SpeedCrunch
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.
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SpeedCrunch Features
1. Syntax HighlightingSpeedCrunch supports syntax highlighting for various programming and markup languages.
2. PortableSpeedCrunch can be used from a USB stick or similar with no prior installation.
3. Live PreviewInstantly see what your files and documents look like as you create them.
4. Ad-freeSpeedCrunch doesn't contain any form of external advertising.
5. Support for ThemesYou can use themes and templates to change the look and feel of SpeedCrunch.
Variables
Persistent History
Input history
Activity history
Multiple languages
Inline editing
SpeedCrunch vs Windows Calculator opinions
Almost everyone thinks SpeedCrunch is a great alternative to Windows Calculator.
nickkiousis
It is clean, design can be configured, it does it's job as a calculator, it can be set to be always on top of other applications, it keeps history even after closing it. It is the best calculator I have ever used!
Top positive comment•
0

Guest
It is simply, fast and functional, any problems with formulas. Good bye caculator of windows 10.
Top positive comment•
5

Guest
Clean and lots of keybinds for speed.
Positive comment•
0

Guest
It's a terminal based calculator. Features a good interface for inputting slightly longer calculations. Allows editing the input text if you make errors. Offline available, free, pleasing to the eye and customizable.
Positive comment•
1

Guest
It is like a good old copybook where you can write all formulas you need in "natural" way.
Positive comment•
1
Qalculate!
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No
Free • Open Source
Calculator
Mac
Windows
Linux
107 alternatives to Qalculate!
Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
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Qalculate! Features
1. Currency ConversionQalculate! lets you convert different currencies based on the latest exchange rates.
2. PortableQalculate! can be used from a USB stick or similar with no prior installation.
Unit converter
Graphing calculator
Persistent History
Exchange rates
Natural Language Processing
Variables
Periodic table
Reverse Polish notation (RPN)
Hexadecimal
Equation solving
Insect
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No
Free • Open Source
Calculator
Mac
Windows
Linux
Online
Self-Hosted
61 alternatives to Insect
High precision scientific calculator with full support for physical units (web and terminal versions).
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Insect Features
Web-Based
Console-based
OpalCalc
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No
Freemium • Proprietary
Calculator
Windows
44 alternatives to OpalCalc
OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.
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OpalCalc Features
1. PortableOpalCalc can be used from a USB stick or similar with no prior installation.
2. Currency ConversionOpalCalc lets you convert different currencies based on the latest exchange rates.
Natural Language Processing
Side-by-Side View
Qaltex
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No
Free • Proprietary
Calculator
Windows
17 alternatives to Qaltex
Qaltex is a tape-like calculator with straightforward interface and a lot of features. It is inspired by many other similar applications, but solves their disadvantages and at the same time it is empowered with some unique options and widgets.
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Qaltex Features
1. Ad-freeQaltex doesn't contain any form of external advertising.
2. PortableQaltex can be used from a USB stick or similar with no prior installation.
3. Currency ConversionQaltex lets you convert different currencies based on the latest exchange rates.
Multi-tabs
Skins
Charts
Calca
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No
Paid • Proprietary
Calculator
Mac
Windows
iPhone
iPad
24 alternatives to Calca
Calca is a powerful symbolic calculator that updates as you type giving you instant answers. It solves equations and simplifies complex expressions. It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations.
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Calca Features
1. Support for MarkDownCalca supports MarkDown for document formatting.
Sync with iCloud
HiPER Scientific Calculator
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No
Freemium • Proprietary
Calculator
Windows
Android
Android Tablet
33 alternatives to HiPER Scientific Calculator
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.
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HiPER Scientific Calculator Features
Clean design
Reverse Polish notation (RPN)
Customizable
Graphing calculator
Giac/Xcas
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No
Free • Open Source
Calculator
Mac
Windows
Linux
41 alternatives to Giac/Xcas
Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us).

Giac/Xcas has no features, suggest some!
kalker
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No
Free • Open Source
Calculator
Mac
Windows
Linux
Online
Android
Self-Hosted
26 alternatives to kalker
A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.

kalker has no features, suggest some!
CalcTape
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No
Freemium • Proprietary
Calculator
Mac
Windows
Android
iPhone
Android Tablet
iPad
94 alternatives to CalcTape
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.
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CalcTape Features
Catalog