$\definecolor{red}{RGB}{255,0,0}$$\definecolor{black}{RGB}{0,0,0}$
  1. $Z$
  2. $Z$
  3. $Z$
  1. $N$
  2. $N$
  3. $N$
  1. $m_I$
  2. $m_I$
  3. $m_I$
  1. $m_K$
  2. $m_K$
  3. $m_K$
    • $$\color{blue}{\rightarrow}\color{black}\;m_K \;= \;Z\cdot m_p+N\cdot m_n-\Delta m$$
    • $$\color{blue}{\rightarrow}\color{black}\;m_K \;= \;Z\cdot m_p+N\cdot m_n-\frac{W}{c^2} $$
    • $$\color{blue}{\rightarrow}\color{black}\;m_K \;= \;m_I-Z\cdot m_e+\frac{E}{c^2} $$
  1. $\Delta m$
  2. $\Delta m$
  3. $\Delta m$
    • $$\color{blue}{\rightarrow}\color{black}\;\Delta m \;= \;Z\cdot m_p+N\cdot m_n-m_K $$
    • $$\color{blue}{\rightarrow}\color{black}\;\Delta m \;= \;\frac{W}{c^2} $$
  1. $W$
  2. $W$
  3. $W$
    • $$\color{blue}{\rightarrow}\color{black}\;W\;= \;\Delta m\cdot c^2 $$
    • $$\color{blue}{\rightarrow}\color{black}\;W\;= \;(Z\cdot m_p+N\cdot m_n-m_K)\cdot c^2 $$
  1. $E$
  2. $E$
  3. $E$
    • $$\color{blue}{\rightarrow}\color{black}\;E\;= \;14.4381\cdot Z^{2.39}+1.55468\cdot 10^{-6}\cdot Z^{5.35} $$
: Proton-neutron bond energy, electron-nucleus bond energy, mass defect

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→   Atomic masses of the isotope (in units of atomic mass U.M.A.!)

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Attention: 1 Mev = $1.602176565\cdot 10^{-13} \, J$;
The present page works with Joules!

If you want to introduce for example $1,6\cdot 10^{-9}$ type: 1.6E-9