So What's the Calculator Thing About?

Many of the pages associated with this Web site contain a chemical calculator window in the page header. This calculator is a stoichiometric calculator, and instructions for the use of the calculator are printed below. The chemist's first glimpse of the molecular world comes via stoichiometry. The calculator is thus a fitting symbol to place in the header of a chemist's Web page. Our Virtual Molecular Model Kit, a powerful tool for studying the 3D molecular world, may be of interest to chemistry teachers and chemistry students.

Calculator Instructions

Using standard chemical notation (e.g. Al2/Al2(SO4)3*125), enter a stoichiometric calculation into the text entry area of the JavaScript calculator at the top of the page. After typing the calculation, click the 19th century stoichiometric equivalence symbol, , to execute the calculation. The chemical calculator will calculate the answer and print it in the entry text area. Use square brackets to force arithmetic operations (e.g. [[2+2]/3]). Normal parentheses are reserved for standard chemical formula notation.There is no fancy error catching. Illegal entries will simply produce an JavaScript entry error whine in the calculator display text area! Just re-enter the calculation and try again.