• Get the job done.

  This utility calculator was specially designed for the needs of the construction tradesperson. It features an easy to read display even in high glare environments.

• Easy to use!

  Fractional values are inputed with a single swipe of the finger and keys are designed for large fingers.

• Who's using RayboCalc.com?

  Useful for all trades including Electricians, Plumbers, Carpenters, Pipe Fitters, A/C Installers, Welders and many more!

• Accuracy

  Input fractions in sixteenths and calculated results are displayed in sixtyfourths. Results are reduced to their simplest form with rounded results displayed in RED.