The 1.0 version of 9Cal is available as a free download on our website. The actual developer of the software is Nine Net Co., Ltd. The program's installer file is commonly found as _26e91eb.exe. The software lies within Office Tools, more precisely Calculators. The most popular versions among the software users are 2.0 and 1.0.
From the developer:
Calculator software with easy-to-use interface, various changeable beautiful skin, and paper tape feature. You can download new skins from our Web site http://www.9cal.com. Our objective is to make the most common and easy-to-use and real-calculator-like desktop calculator.
You may want to check out more software, such as Cycle Calculator, Gestational Age Calculator or ESB Calculator, which might be related to 9Cal.