| Three (3) Band Resistor / Resistance Color Code Calculator | AC / DC Voltage Drop Circuit Calculator |
| AC to DC Power Supply Converter | Acceptance Angle in Optical Fibre Calculator |
| Acoustic Impedance Calculator | Alfven Velocity Calculator |
| Antenna 3db Beamwidth Calculator | Antenna Array Calculator |
| Antenna Gain Calculator | Antenna Polarization Calculator |
| Aperture Antennas Calculator | Barb Shank Roofing / Slating Nails Size Calculator |
| Biot Savart Law Calculator | Capacitance Calculator |
| Capacitance between Parallel and Coaxial Circular Disks Calculator | Capacitance of a Circular Disk Calculator |
| Capacitance of a Sphere Calculator | Capacitance of Circular Solid Cylinder Calculator |
| Capacitance of Concentric Spheres Calculator | Capacitance of Cube Calculator |
| Capacitance of Nearly Spherical Surface Calculator | Capacitance of Parallel Cylinders Calculator |
| Capacitance of Two Spheres Calculator |
