Independent calculation software that efficiently validates plan accuracy. ClearCalc works with most treatment planning system vendors and provides a unique integration with Eclipse and ClearCheck for streamlined plan analysis.

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Automate your independent calculation
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ClearCalc Machine Compatibility

A single solution for all machines and techniques in your department.


Gamma Knife®





Elekta Unity



HDR Brachytherapy

LDR Brachytherapy

Simplify your Eclipse Calculation Workflow

  • 1 Run ClearCalc
  • 2 Click Save
  • Results automatically appended to ClearCheck report

Other Independent Calculation Software

  • 1 DICOM export plan
  • 2 Open external software to review results
  • 3 Save to PDF
  • 4 Open ClearCheck report
  • 5 Click "Add PDF"
  • 6 Click generated 2nd check PDF to merge into ClearCheck report

Efficient Independent Calculation

Integrated Automation

  • Full integration with Eclipse, no DICOM-transfer needed
  • Automatic optimal calculation point selector saves time
  • Accepts DICOM imports from most TPS vendors for flexibility in mixed environments
  • Supports 3D, IMRT, VMAT, SBRT, brachytherapy, electrons, and more in a single solution
  • Streamlined commissioning for safe and efficient setup

Integrated Efficiency

  • Customizable reports
  • Diode analysis
  • Trajectory and Dynalog file analysis
  • Hand calculations
  • 3D point dose statistics
  • Flexible brachytherapy options
  • Cutout factor library
  • Include results in ClearCheck reports with one click
ClearCalc to Clearcheck

No Additional Hardware Required

ClearCalc is a lightweight application that runs on any Windows PC in your department.

A versatile solution for multiple modalities



  • Includes support for 3DCRT, IMRT, VMAT, SBRT, SRS and virtual wedges
  • Automatically selects an appropriate calculation point or manually select a different point directly within ClearCalc
  • Finite size pencil beam algorithm for fast, accurate calculations


  • Uses AAPM TG-43 calculation methods
  • Calculates and displays incoming reference points
  • Displays applicators, dwell positions, and dwell times


  • Uses the formalism of AAPM TG-71
  • Option to validate dose to either a prescribed isodose or a calculation point
  • Enter cutout factor manually or use sector integration method for automatic cutout factor calculation

ClearCalc Overview

By consolidating all safety and independent calculation checks to one platform, ClearCalc gives clinicians confidence in their treatment plan while saving them time.

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