Basics of Chemical Calculation

6 modules to solve YOUR typical math problem

a. Significant Figure
· Determine the number of significant figures in any given number
· Round off any given number according to the number of significant figures given
· Perform addition, subtraction, multiplication and division calculations, and express the answers to the proper number of significant figures

b. Scientific Notation
· Express numbers in scientific notation
· Convert numbers from scientific notation to decimal notation
· Perform addition, subtraction, multiplication and division calculations in scientific notation

c. Logarithm
Provide calculations for both common logarithms (base10) and natural logarithms (base e) of a given numbers and their arithmetic operations

d. Quadratic Equation
Solve quadratic equations, giving two roots as an answer

e. Unit Conversion
Convert between units of various quantities of length, mass, time, area, volume, angle, temperature, force, energy and pressure

f. Physical Constants
A list of 15 commonly used physical constants in chemistry

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