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The Distinction Between Systematic and Random Errors
No matter how careful we are when conducting experiments, there will almost…
Understanding the Pascal Unit
Pressure is a word with many connotations, some of them more foreboding…
Understanding the Mechanics of a Pulley System
A pulley system makes it easier to lift an object than lifting…
Calculating Nernst Equations
The Nernst equation, named after chemist Walther Nernst, is used in electrochemistry…
Understanding Proportional vs. Linear Relationships
Mathematicians, physicists and engineers have many terms to describe mathematical relationships. There…
Understanding Barometric Pressure Readings
Barometric pressure (also called atmospheric pressure) is the measure of air pressure…
Determining the Number of Sides in a Polygon
A polygon by definition is any geometric shape that is enclosed by…
Calculating Two-Thirds of a Number
Knowing how to find a fraction of a number is a handy…
Calculating Total Magnification of a Microscope or Telescope
Microscopes magnify the tiniest inhabitants of this world. From the minute details…
Creating a Fraction Using a Scientific Calculator
By default, graphing and scientific calculators display fractions as decimals. So if…
