An independent calculation software platform for all your second check needs. ClearCalc supports a full complement of clinical techniques, treatment planning systems, and offers a variety of algorithms from FSPB to MonteCarlo to efficiently validate plan accuracy.

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A versatile solution for multiple modalities



  • Support for 3DCRT, IMRT, VMAT, SBRT, SRS and virtual wedges
  • Automatically or manually select calculation point directly within ClearCalc
  • FSPB; RadMonteCarlo option available


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


  • TG-71 calculation with RadMonteCarlo Option
  • Validate dose to a prescribed isodose or a calculation point
  • Enter cutout factor manually or use sector integration method


  • Heterogeneity corrections included
  • Support for Modulated Scanning Systems
  • Requires RadMonteCarlo Option


Integrating seamlessly with ClearCalc’s interface, and powered by our optional Monte Carlo algorithm, RadMonteCarlo’s secondary dose calculation delivers accurate results in record time.
*RadMonteCarlo is an optional add-on to ClearCalc and is not included in a standard ClearCalc purchase.

Integrated Accuracy

  • Supports photons, electrons, and protons
  • Dose calculation in minutes
  • Log File analysis for PSQA
  • 3D gamma analysis
    • Full Dose Matrix
    • Per structure
  • DVH analysis
  • Interactive results
Learn More about RadMonteCarlo

Leveraging ClearCalc for Phantomless PSQA

Simplifying the validation of pre-treatment plan accuracy

  • Two independent solutions, for both log file-based and EPID PSQA*
  • Minimizing QA time by leveraging automatically captured log files during EPID QA*, allowing a two-for-one verification
  • Boost efficiency with seamless integration of both EPID* and log file-based QA directly in ClearCalc
  • Thoroughly document PSQA by generating detailed reports for each patient

  *EPID QA is currently in beta

PSQA Your Way

Efficient Independent Calculation

Integrated Automation

  • Full integration with Eclipse, no DICOM-transfer needed
  • 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

  • FSPB structure-based gamma analysis
  • 3D point dose statistics
  • Automatic optimal calculation point selector
  • Customizable reports
  • Include results in ClearCheck reports with one click

Included Modules

  • Hand Calculations
  • Custom Electron Cutout Tool
  • Trajectory and Dynalog Analysis
  • Diode Analysis
  • Flexible Brachytherapy options

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

ClearCalc provides a unique integration with Eclipse and ClearCheck for streamlined plan analysis.

ClearCalc Logo
  • 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
ClearCalc to Clearcheck

No Additional Hardware Required

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

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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