Chemical calculator: Difference between revisions
→{{header|Swift}}
(Added Wren) |
|||
Line 2,327:
molar mass of Uue is 315
</pre>
=={{header|Ruby}}==
{{trans|D}}
<lang ruby>$atomicMass = {
"H" => 1.008,
"He" => 4.002602,
"Li" => 6.94,
"Be" => 9.0121831,
"B" => 10.81,
"C" => 12.011,
"N" => 14.007,
"O" => 15.999,
"F" => 18.998403163,
"Ne" => 20.1797,
"Na" => 22.98976928,
"Mg" => 24.305,
"Al" => 26.9815385,
"Si" => 28.085,
"P" => 30.973761998,
"S" => 32.06,
"Cl" => 35.45,
"Ar" => 39.948,
"K" => 39.0983,
"Ca" => 40.078,
"Sc" => 44.955908,
"Ti" => 47.867,
"V" => 50.9415,
"Cr" => 51.9961,
"Mn" => 54.938044,
"Fe" => 55.845,
"Co" => 58.933194,
"Ni" => 58.6934,
"Cu" => 63.546,
"Zn" => 65.38,
"Ga" => 69.723,
"Ge" => 72.630,
"As" => 74.921595,
"Se" => 78.971,
"Br" => 79.904,
"Kr" => 83.798,
"Rb" => 85.4678,
"Sr" => 87.62,
"Y" => 88.90584,
"Zr" => 91.224,
"Nb" => 92.90637,
"Mo" => 95.95,
"Ru" => 101.07,
"Rh" => 102.90550,
"Pd" => 106.42,
"Ag" => 107.8682,
"Cd" => 112.414,
"In" => 114.818,
"Sn" => 118.710,
"Sb" => 121.760,
"Te" => 127.60,
"I" => 126.90447,
"Xe" => 131.293,
"Cs" => 132.90545196,
"Ba" => 137.327,
"La" => 138.90547,
"Ce" => 140.116,
"Pr" => 140.90766,
"Nd" => 144.242,
"Pm" => 145,
"Sm" => 150.36,
"Eu" => 151.964,
"Gd" => 157.25,
"Tb" => 158.92535,
"Dy" => 162.500,
"Ho" => 164.93033,
"Er" => 167.259,
"Tm" => 168.93422,
"Yb" => 173.054,
"Lu" => 174.9668,
"Hf" => 178.49,
"Ta" => 180.94788,
"W" => 183.84,
"Re" => 186.207,
"Os" => 190.23,
"Ir" => 192.217,
"Pt" => 195.084,
"Au" => 196.966569,
"Hg" => 200.592,
"Tl" => 204.38,
"Pb" => 207.2,
"Bi" => 208.98040,
"Po" => 209,
"At" => 210,
"Rn" => 222,
"Fr" => 223,
"Ra" => 226,
"Ac" => 227,
"Th" => 232.0377,
"Pa" => 231.03588,
"U" => 238.02891,
"Np" => 237,
"Pu" => 244,
"Am" => 243,
"Cm" => 247,
"Bk" => 247,
"Cf" => 251,
"Es" => 252,
"Fm" => 257,
"Uue" => 315,
"Ubn" => 299,
}
def evaluate(s)
s += "[" # add end of string marker
sum = 0.0
i = 0
symbol = ""
number = ""
while i < s.length
c = s[i]
if '@' <= c and c <= '[' then
n = 1
if number != "" then
n = number.to_i
end
if symbol != "" then
mass = $atomicMass[symbol]
sum = sum + mass * n
end
if c == '[' then
break
end
symbol = c.to_s
number = ""
elsif 'a' <= c and c <= 'z' then
symbol = symbol + c
elsif '0' <= c and c <= '9' then
number = number + c
else
raise "Unexpected symbol %c in molecule" % [c]
end
i = i + 1
end
return sum
end
def replaceParens(s)
letter = 'a'
while true
start = s.index '('
if start == nil then
break
end
i = start + 1
while i < s.length
if s[i] == ')' then
expr = s[start + 1 .. i - 1]
symbol = "@%c" % [letter]
r = s[start .. i + 0]
s = s.sub(r, symbol)
$atomicMass[symbol] = evaluate(expr)
letter = letter.next
break
end
if s[i] == '(' then
start = i
end
i = i + 1
end
end
return s
end
def main
molecules = [
"H", "H2", "H2O", "H2O2", "(HO)2", "Na2SO4", "C6H12",
"COOH(C(CH3)2)3CH3", "C6H4O2(OH)4", "C27H46O", "Uue"
]
for molecule in molecules
mass = evaluate(replaceParens(molecule))
print "%17s -> %7.3f\n" % [molecule, mass]
end
end
main()</lang>
{{out}}
<pre> H -> 1.008
H2 -> 2.016
H2O -> 18.015
H2O2 -> 34.014
(HO)2 -> 34.014
Na2SO4 -> 142.036
C6H12 -> 84.162
COOH(C(CH3)2)3CH3 -> 186.295
C6H4O2(OH)4 -> 176.124
C27H46O -> 386.664
Uue -> 315.000</pre>
=={{header|Swift}}==
| |||