Open Source Astronomy Tools
A simple Clifford algebra calculator
A powerful arbitrary-precision calculator.
NMR Product Operator Calculator
Lightweight Qt-based Python console with variable explorer and history
A simple GUI Gravitational Pull Calculator
a browser based ballistics calculator for arrows and bullets
Relativistic two-body kinematics calculator for nuclear reaction
Calculator that takes care of measurement units.
Cool-down time calculator for multi-layers pipe
Just a basic 4 band resistor color calculator with chart.
a scientific calculator with error propagation
trafo is a console-based "E-I" transformer calculator
A compliation of Physics derived claculators