High precision calculation. Keisan service.

Service

How to use

Sample calculation

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Keisan service

Apr, 2009

This Keisαn service (Calculation service) is provided by Casio Computer Co., Ltd.
The Calculation service aims to provide higher calculation accuracy using arithmetic operation system with variable number of digits uniquely developed by Casio.
While enhancing its calculation library, the Calculation service continues to provide users with improved calculation accuracy, ease of use, fun, and familiarity with calculation.

Please read the Terms of use carefully before you use this service. By accessing this website, you agree to be bound by these Terms & conditions of use.

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