Mathematics
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    2.4+5*- 13.4
    99e-e2-25*49
    60*30%=
    16289.59/172774.74= -163986.11/8831.21
    -163986.11/490030.04
    16289.59/470928.55
    -159769.13/145137.17
    10987.20/202546.47
    -163987.11/145137.17
    116289.59/202546.47
    ((abs((exp(-50) - 1) / (exp(-50) + 1)) / 2) + 0.5)
    ((abs((exp(-30) - 1) / (exp(-30) + 1)) / 2) + 0.5)
    3^2
    3^
    21.63/16
    64.86/12
    1-0.7837
    1-78.37
    64.86+13.51
    !(134)

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