### EdenMath

A Scientific Calculator

### Genius Math Tool

Genius Mathematical Tool and Calculator

### Grpn Calculator

A reverse polish notation calculator

### SpeedCrunch

A high-precision scientific calculator

### Quickcal Calculator

Fast and Easy to use Calculator with support for Filing

### Xabacus

simulation of the ancient calculator (plain X version)

### XMabacus

simulation of the ancient calculator (Motif version)

### GNUstep Calculator

Example calculator for GNUstep

### KCalc

Calculator which offers many mathematical functions, such as trigonometric functions, logic operations, and statistical calculations

### Qalculate! (GTK)

Powerful and easy to use calculator

### MATE Calculator

Perform arithmetic, scientific or financial calculations

### Taiwan Invoice ReCalculator

Perform Taiwan Invoice Reverse Calculation

### Taiwan Invoice Calculator

Perform Taiwan Invoice Calculation

### FOX Calculator

Simple desktop calculator

### Deepin Calculator

Calculator

### Galculator

Perform simple and scientific calculations

### Liri Calculator

Perform arithmetic and scientific calculations

### Kalkulon Programmer's Calculator

Programmable Calculator for Programmers

### NaSC

Do maths like a normal person

### Calculator

A fox-toolkit based calculator

### Zhu3D

OpenGL-based equation viewer and solver