Excel add-ins for engineers & accountants

Unique and powerful tools for engineers, accountants and anynone who spends their days inside Excel

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FormulaSpy

Makes Excel formulas easy to understand, check, troubleshoot and fix. 

Visualize and troubleshoot Excel formulas – instantly. Highlight the exact error in a long formula. See how nested results are calculated.  

FormulaDesk Math

Essential tools for anyone who uses Excel to perform math, engineering and science calculations.

View formulas as real math equations, plot formulas…instantly. All the tools that engineers and students need every day, now inside Excel. 

FormulaDesk Navigator

Essential tools for anyone who uses Excel to perform math, engineering and science calculations.

  • Multi-line sheet tabs
  • Vertical sheet tabs
  • Filter sheets
  • Organise sheets into folders
  • Track active cell
  • Keyboard shortcuts to switch between recent sheets