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In short: when and where maths is used depends on the project, level and need at the time. Design needs maths for viability (to know it will work!) its an essentail part of investigation, modelling (hence mathematical modelling) and proposal of solutions that are viable for commerical use. This page collects some of the key mathematical concepts used in design from structures to sales. This page is being developed all the time so be sure to check back if some of the mathematics needs a refresh!
Pythagorus
Pythagorus
The method to work out side of a right angled triangle
Trigonometry
Trigonometry
SoH CaH ToA
Working out sides with angles in right angled triangles
No Right Angle
No Right Angle
NO PROBLEM!
Sine Rule
SOH CAH TOA
SOH CAH TOA
Always worth remembering this phrase and then applying it to the range of everyday engineering challenges you will face.
Maths in electronics
Potential Dividers
Potential Dividers: more detail
Ohms Law
Timer calculations - Maths only
Maths in Mechanisms
Also see our mechanisms page
Youngs Modulus
Stress/Strain graphs
Gear ratios and speeds explained
Calculating moments
Moments part 2
Page updated
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