# Category : Science and Education

Archive : AYRFCAL1.ZIP

Filename : CI_10.HLP

Review of Useful Facts and Formulae.

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All calculus instructors expect you to know the following, even if no

explicit reference is made to them. For example, even though I might never

mention an isosceles triangle in class, I wouldn't hesitate to set an exam

question which would involve knowing the properties of such a triangle.

The area of a triangle with vertical height h and base length b is bh/2 .

2

The area of a square with side length a is a .

The area of a rectangle with side lengths a and b is ab.

The area of a parallelogram with vertical height h and base length b is bh.

2

The area of a circle with radius r is ãr .

The diameter of a circle with radius r is 2r .

The circumference of a circle with radius r is 2ãr .

3

The volume of a cube of side length a is a .

2

The surface area of a cube of side length a is 6a .

The volume of a shoe box with side lengths a, b and c is abc .

The surface area of a shoe box with side lengths a, b and c is

2(ab + ac + bc).

2

The volume of a cylinder with height h and base radius r is ãhr .

The surface area of a cylinder with height h and base radius r is 2ãrh.

3

The volume of a sphere with radius r is 4ãr /3 .

2

The surface area of a sphere with radius r is 4ãr .

The distance between the point (x, y) and the point (a, b) is

_______________________

Ý 2 2

\Ý (x - a) + (y - b) .

An isosceles triangle has at least two sides of equal length.

An equilateral triangle has all three sides of equal length.

Speed = distance/time.

This is the end of the help file. Press the ESC key to return to the quiz

question you were doing.

Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/