ROI Calculator XLS
Excel remains the business standard. Build ROI models with spreadsheet functions and formulas.
How the ROI Calculator XLS works
Create spreadsheet-style ROI calculations. Learn formulas, build models, and export templates for your own analysis.
Spreadsheet skills differentiate professionals. This calculator teaches advanced ROI modeling techniques.
Meet the fastest voice-to-text for professionals
WriteVoice turns your voice into clean, punctuated text that works in any app. Create and ship faster without typing. Your first step was ROI Calculator XLS; your next step is instant dictation with WriteVoice.
A blazing-fast voice dictation
Press a hotkey and talk. WriteVoice inserts accurate, formatted text into any app, no context switching
Works in any app
Press one hotkey and speak; your words appear as clean, punctuated text in Slack, Gmail, Docs, Jira, Notion, and VS Code—no context switching, just speed with writevoice
Accurate, multilingual, and smart
97%+ recognition, smart punctuation, and 99+ languages so your ideas land first try, built for teams and pros.
Private by default
Zero retention, audio and text are discarded instantly, with on-device controls so you can dictate sensitive work confidently.