Various Calculations & Other Things

Calculate Your Biorhythm     Calculate Body Mass Index     Calculate Waist-to-Hip Ratio      Foto Size      LED Calculator (saving energy costs)   Calculate Wire Resistance   Schematic Audio Cable Connections   Conversion Calculator     Calculate Audio Output Transformer Load Resistance     Calculate Tube Amplifier Power Supply Smoothing Factor     Calculate Dropping Resistor for Tube filament     Sum up to 6 different dB Values     Setting Up Speakers In A Rectangular Room     Basic Audio Tubes Calculations      Acryl Bending Machine      2 Ways to Determine Your Mains Polarity     Length Conversion