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What is XLfit?

XLfit® is an innovative add-in for Microsoft® Excel, tailored for Windows users, which seamlessly incorporates advanced mathematical and statistical analysis within the well-known Excel interface, all while offering powerful charting capabilities. Esteemed as a leading tool for statistical analysis and curve fitting, XLfit is relied upon by prominent organizations in the pharmaceutical, chemical, and engineering industries, as well as in academic research, and has received validation from the National Physical Laboratory (NPL). The software provides access to an extensive library of more than 70 pre-defined models that cater to both linear and nonlinear curve fitting, addressing the experimental demands of drug discovery and similar sectors. Beyond the standard offerings, XLfit also supports the inclusion of an infinite number of custom user-defined models, allowing for even greater flexibility. It features advanced capabilities such as linear and nonlinear modeling along with interactive charting in both 2D and 3D, making it an indispensable tool for scientists. Furthermore, XLfit's wide-ranging tools enable researchers to efficiently analyze, visualize, and interpret their data, enhancing their scientific endeavors. With its user-friendly design and extensive functionalities, XLfit stands as a vital asset for anyone engaged in complex data analysis.

What is ChartSays?

ChartSays is a web-based platform focused on statistical analysis, catering specifically to Six Sigma practices, quality engineering, and business analytics. It provides an array of methods for evaluating process capability, which includes metrics such as Cp, Cpk, Pp, and Ppk, alongside tools for creating control charts, performing Gage R&R and measurement system evaluations, designing experiments, executing regression analyses, conducting ANOVA, testing hypotheses, and assessing reliability. Users can conveniently upload data files in various formats such as CSV, XLSX, TSV, or TXT into a versatile workspace where they can explore visual representations of data, assess statistical results, and generate downloadable reports. Moreover, it offers free calculators for Cpk, I-MR control charts, and Gage R&R that are accessible without any user registration required. This platform is meticulously designed for quality engineers, Six Sigma practitioners, consultants, and analysts across the manufacturing and business landscapes who are in search of efficient statistical methods for process evaluation, quality enhancement, and business analysis, all without relying on conventional desktop software. Additionally, ChartSays simplifies the analytical workflow, ensuring it is user-friendly for professionals who value both effectiveness and simplicity in their statistical tasks. This emphasis on accessibility makes it an appealing choice for those who may be new to statistical analysis or who seek to improve their current processes swiftly.

Media

Media

No images available

Integrations Supported

Additional information not provided

Integrations Supported

Additional information not provided

API Availability

API Availability

Pricing Information

Pricing not provided
Free Trial Offered?

Pricing Information

$14.90/month
The free plan costs $0 and includes unlimited standard analyses and watermarked report exports; AI analysis and interpretation are not included. The monthly plan costs $14.90/month, and the annual plan costs $129/year. Paid plans include AI analysis and interpretation, remove watermarks from charts and new report exports, and include 300 AI uses per month. Subscriptions renew automatically; data is retained for up to 90 days.
Free Version

Supported Platforms

Windows

Supported Platforms

SaaS

Customer Service / Support

Standard Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
Online Training
On-Site Training

Training Options

Documentation Hub

Company Facts

Organization Name

IDBS

Date Founded

1989

Company Location

United Kingdom

Company Website

www.idbs.com/xlfit/

Company Facts

Organization Name

Suzhou Jingye New Management Consulting Co., Ltd.

Date Founded

2026

Company Location

China

Company Website

chartsays.com

Categories and Features

Statistical Analysis

Analytics
Association Discovery
Compliance Tracking
File Storage
Multivariate Analysis
Regression Analysis
Statistical Process Control
Statistical Simulation
Visualization

Categories and Features

Statistical Analysis

Not specified

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