SCIENTIFIC CALCULATOR FOR CHEMISTS

Calc4Chem is a JavaScript scientific calculator for chemists. This calculator can be used as common scientific calculator (sin, cos, log, power, root, memory), but it also includes a molecular weight calculator and the tables with various physical and chemical constants. The calculator contains a list with task history, storing all the recent inputs and results. Scientific calculator displays the numbers rounded to a user-specified number of decimal places. (How to use a Scientific Calculator)

Online calculators

Portable aplications

Calculator for Chemists: is a small but powerful scientific expression calculator which supports many scientific functions (sin, cos, log, power, root, memory, ...), normal and inverse. All of the calculations can be printed or saved and recalled again.
Solution Calculator: is a useful tool which allows you to calculate how many solid chemicals or stock solutions you will need to prepare the desired solution. The program provides lab-ready directions on how to prepare the desired solution.

Scientific calculator for chemists
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Periodic Table of the Elements