PI=3.14159265359
K=9*10⁹
e^-=1.6*10^-19
m_e=1.67*10^-27
m_p=9.11*10^-31
c²=a²+b²
x_1,2=(-b+(b²-4*a*c)^0.5)/(2*a) , (-b-(b²-4*a*c)^0.5)/(2*a)
P_CIRCLE=2*PI*r
S_CIRCLE=PI*r²
X=X₀+V₀*t+0.5*a*t²

Foreign Currencies

1 US$ = 3.54 NIS