Lawrence Perez, from Saddleback College, and his assistant Charlie, give this arithmetic lesson on adding with an abacus. Who needs an electronic calculator anyway? Well, these are some pretty big numbers. If you're scared of all things not-electronic, then stay away.
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How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Find the slope of a line given 2 points with fractions
How To:
Subtract a mixed number from a proper fraction in basic math
How To:
Multiply & Divide Numbers (Basic Elementary Math)
How To:
Find the area of an oblique triangle using formulas
How To:
Find a number given Its percent
How To:
Find the horizontal asymptotes of rational functions
How To:
Find the slope from a set of points
How To:
Find the area & perimeter of triangles & squares
How To:
Find a slope of a straight line with: Ax + By + C = 0
How To:
Find extra points for a parabola (quadractic equation)
How To:
Find the percentage of a number
How To:
Find the Slope Given 2 Ordered Pairs
How To:
Write a sum/difference of logarithms as a logarithm
How To:
Find the perimeter & area of a complex figure
How To:
Determine if you have a function
How To:
Evaluate logarithms using a calculator TI-83
How To:
Divide small numbers by big numbers
How To:
Find and sketch the domain of a multivariable function
How To:
Calculate Faster Than a Calculator
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Find the slope of a line given 2 points with fractions
How To:
Subtract a mixed number from a proper fraction in basic math
How To:
Multiply & Divide Numbers (Basic Elementary Math)
How To:
Find the area of an oblique triangle using formulas
How To:
Find a number given Its percent
How To:
Find the horizontal asymptotes of rational functions
How To:
Find the slope from a set of points
How To:
Find the area & perimeter of triangles & squares
How To:
Find a slope of a straight line with: Ax + By + C = 0
How To:
Find the percentage of a number
How To:
Find extra points for a parabola (quadractic equation)
How To:
Find the Slope Given 2 Ordered Pairs
How To:
Write a sum/difference of logarithms as a logarithm
How To:
Determine if you have a function
How To:
Find and sketch the domain of a multivariable function
How To:
Evaluate logarithms using a calculator TI-83
How To:
Divide small numbers by big numbers
How To:
Find the perimeter & area of a complex figure
How To:
Find the surface area of a cone without slant height
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