Mathematical Equations Flashcards
1
Q
What is the system of units in technology?
A
Tera - x10 /\12 Giga - x10 /\9 Mega - x10 /\6 Kilo - x10 /\3 Milli = x10 /\ -3 Micro - x10 /\-6 Nano - x10 /\ -9 Pico - x10 /\ -12
2
Q
Calculating area of rectangle/square
A
length * width
3
Q
Calculating area of a circle
A
Pi * R/\2
4
Q
Calculating circumference of a circle
A
Pi * 2R
or Pi * D
5
Q
Area of a triangle
A
1/2 * base * height
6
Q
Trigonometry
A
Sin(x) = O / H Cos(x) = A / H Tan(x) = O / A
7
Q
How to calculate tolerance?
A
Acceptable values each side of required range that allows for tolerance to be acceptable.
eg. 1000mm +/- 2mm =
1002mm (biggest)
998mm (smallest)
8
Q
Standard form?
A
Number under 10 * 10 /\ number
eg. 3.2 * 10/\3 = 3200.
