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Don Shearman published Golden Gate Bridge 13 hours ago

Don Shearman published Gladesville Bridge 2 13 hours ago

Don Shearman published Gladesville Bridge 1 month, 4 weeks ago

Don Shearman published Gateshead Bridge 1 month, 4 weeks ago

Don Shearman published Functions 1 month, 4 weeks ago

Don Shearman published Charge on capacitor with plot 1 month, 4 weeks ago

Don Shearman published Voltage drop formula 2 months, 1 week ago

Don Shearman published Tunnel diameter 2 months, 1 week ago

Don Shearman published Trig identity 9 2 months, 1 week ago

Don Shearman published Trig identity 8 2 months, 1 week ago