Annotation of loncom/homework/units.json, revision 1.2
1.1 damieng 1: {
2: "base": [
3: { "name": "meter", "symbol": "m", "comment": "length" },
4: { "name": "kilogram", "symbol": "kg", "comment": "mass" },
5: { "name": "second", "symbol": "s", "comment": "time" },
6: { "name": "ampere", "symbol": "A", "comment": "electric current" },
7: { "name": "kelvin", "symbol": "K", "comment": "thermodynamic temperature" },
8: { "name": "mole", "symbol": "mol", "comment": "amount of substance" },
9: { "name": "candela", "symbol": "cd", "comment": "luminous intensity" },
10: { "name": "decibel", "symbol": "dB", "comment": "log of pressure amplitude" }
11: ],
12:
13: "prefix": [
14: { "name": "yotta", "symbol": "Y", "factor": "10^24" },
15: { "name": "zetta", "symbol": "Z", "factor": "10^21" },
16: { "name": "exa", "symbol": "E", "factor": "10^18" },
17: { "name": "peta", "symbol": "P", "factor": "10^15" },
18: { "name": "tera", "symbol": "T", "factor": "10^12" },
19: { "name": "giga", "symbol": "G", "factor": "10^9" },
20: { "name": "mega", "symbol": "M", "factor": "10^6" },
21: { "name": "kilo", "symbol": "k", "factor": "10^3" },
22: { "name": "hecto", "symbol": "h", "factor": "10^2" },
23: { "name": "deca", "symbol": "D", "factor": "10^1" },
24:
25: { "name": "deci", "symbol": "d", "factor": "10^-1" },
26: { "name": "centi", "symbol": "c", "factor": "10^-2" },
27: { "name": "milli", "symbol": "m", "factor": "10^-3" },
28: { "name": "micro", "symbol": "u", "factor": "10^-6" },
29: { "name": "micro", "symbol": "µ", "factor": "10^-6", "comment": "micro sign character 00B5" },
30: { "name": "micro", "symbol": "μ", "factor": "10^-6", "comment": "greek mu character 03BC" },
31: { "name": "nano", "symbol": "n", "factor": "10^-9" },
32: { "name": "pico", "symbol": "p", "factor": "10^-12" },
33: { "name": "femto", "symbol": "f", "factor": "10^-15" },
34: { "name": "atto", "symbol": "a", "factor": "10^-18" },
35: { "name": "zepto", "symbol": "z", "factor": "10^-21" },
36: { "name": "yocto", "symbol": "y", "factor": "10^-24" }
37: ],
38:
39: "derived": [
40: { "name": "gram", "symbol": "g", "convert": "0.001 kg", "comment": "mass" },
41: { "name": "minute", "symbol": "min", "convert": "60 s", "comment": "time" },
42: { "name": "hour", "symbol": "hr", "convert": "3600 s", "comment": "time" },
43: { "name": "hour", "symbol": "h", "convert": "3600 s", "comment": "time" },
44: { "name": "day", "symbol": "day", "convert": "24.0 hr", "comment": "time" },
45: { "name": "day", "symbol": "days", "convert": "24.0 hr", "comment": "time" },
46: { "name": "year", "symbol": "yr", "convert": "365.24 day", "comment": "time" },
47: { "name": "pound", "symbol": "lb", "convert": "0.45359237 kg", "comment": "mass" },
48: { "name": "ounce", "symbol": "oz", "convert": "2.83495E-2 kg", "comment": "mass" },
49: { "name": "inch", "symbol": "in", "convert": "2.54 cm", "comment": "length" },
50: { "name": "foot", "symbol": "ft", "convert": "12 in", "comment": "length" },
51: { "name": "mile", "symbol": "mi", "convert": "5280 ft", "comment": "length" },
52: { "name": "yard", "symbol": "yd", "convert": "0.9144 m", "comment": "length" },
53: { "name": "nautical_mile", "symbol": "n_mi", "convert": "6080 ft", "comment": "length, nautical mile (UK)" },
54: { "name": "astroUnit", "symbol": "AU", "convert": "1.49598E11 m", "comment": "length, mean distance earth to sun" },
55: { "name": "parsec", "symbol": "pc", "convert": "3.08568025E16 m", "comment": "length" },
56: { "name": "light-year", "symbol": "ly", "convert": "9460730472580800 m", "comment": "length" },
57: { "name": "rood", "symbol": "rood", "convert": "1210 yd^2", "comment": "area, rood" },
58: { "name": "acre", "symbol": "acre", "convert": "4840 yd^2", "comment": "area, acre" },
59: { "name": "hertz", "symbol": "Hz", "convert": "1/s", "comment": "frequency" },
60: { "name": "litre", "symbol": "L", "convert": "10^3*cm^3", "comment": "volume" },
61: { "name": "newton", "symbol": "N", "convert": "m*kg/s^2", "comment": "force" },
62: { "name": "pound_force", "symbol": "lbf", "convert": "4.44822 N", "comment": "force" },
63: { "name": "dyne", "symbol": "dyn", "convert": "1E-5 N", "comment": "force" },
64: { "name": "pascal", "symbol": "Pa", "convert": "N/m^2", "comment": "pressure, stress" },
65: { "name": "bar", "symbol": "bar", "convert": "1E5 Pa", "comment": "pressure" },
66: { "name": "mmHg", "symbol": "mmHg", "convert": "1.33322E2 Pa", "comment": "pressure, millimeter of mercury" },
67: { "name": "torr", "symbol": "torr", "convert": "1 mmHg", "comment": "pressure" },
68: { "name": "atm", "symbol": "atm", "convert": "760 torr", "comment": "standard atmosphere" },
69: { "name": "joule", "symbol": "J", "convert": "N*m", "comment": "energy, work, heat" },
70: { "name": "electronvolt", "symbol": "eV", "convert": "1.6021892E-19 J", "comment": "energy" },
71: { "name": "calorie", "symbol": "cal", "convert": "4.1868 J", "comment": "energy" },
72: { "name": "Btu", "symbol": "Btu", "convert": "1.05506E3 J", "comment": "energy" },
73: { "name": "watt", "symbol": "W", "convert": "J/s", "comment": "power, radiant flux" },
74: { "name": "coulomb", "symbol": "C", "convert": "A*s", "comment": "electric charge" },
75: { "name": "volt", "symbol": "V", "convert": "J/C", "comment": "electric potential, electromotive force" },
76: { "name": "ohm", "symbol": "ohm", "convert": "V/A", "comment": "electric resistance, use this in /ANS" },
77: { "name": "ohm", "symbol": "ohms", "convert": "V/A", "comment": "electric resistance" },
78: { "name": "ohm", "symbol": "Ohm", "convert": "V/A", "comment": "electric resistance" },
79: { "name": "ohm", "symbol": "Ohms", "convert": "V/A", "comment": "electric resistance" },
80: { "name": "mho", "symbol": "mho", "convert": "1/ohm", "comment": "electric conductance" },
81: { "name": "mho", "symbol": "mhos", "convert": "1/ohm", "comment": "electric conductance" },
82: { "name": "mho", "symbol": "Mho", "convert": "1/ohm", "comment": "electric conductance" },
83: { "name": "mho", "symbol": "Mhos", "convert": "1/ohm", "comment": "electric conductance" },
84: { "name": "siemens", "symbol": "S", "convert": "1/Ohm", "comment": "electric conductance" },
85: { "name": "farad", "symbol": "F", "convert": "C/V", "comment": "electric capacitance" },
86: { "name": "tesla", "symbol": "T", "convert": "V*s/m^2", "comment": "magnetic flux density" },
87: { "name": "weber", "symbol": "Wb", "convert": "V*s", "comment": "magnetic flux" },
88: { "name": "henry", "symbol": "H", "convert": "V*s/A", "comment": "inductance" },
89: { "name": "radian", "symbol": "rad", "convert": "m/m", "comment": "plane angle" },
90: { "name": "degree", "symbol": "deg", "convert": "1.745329E-2 rad", "comment": "plane angle (Pi rad=180 deg)" },
1.2 ! damieng 91: { "name": "degree", "symbol": "°", "convert": "1.745329E-2 rad", "comment": "same as deg" },
1.1 damieng 92: { "name": "steradian", "symbol": "sr", "convert": "m^2 /m^2", "comment": "solid angle" },
93: { "name": "lumen", "symbol": "lm", "convert": "cd*sr", "comment": "luminous flux" },
94: { "name": "lux", "symbol": "lx", "convert": "cd*sr/m^2", "comment": "illuminance" },
95: { "name": "becquerel", "symbol": "Bq", "convert": "1/s", "comment": "activity (radioactive)" },
96: { "name": "curie", "symbol": "Ci", "convert": "3.70E10 Bq", "comment": "activity (radioactive)" },
97: { "name": "gray", "symbol": "Gy", "convert": "J/kg", "comment": "absorbed dose (of radiation)" },
98: { "name": "sievert", "symbol": "Sv", "convert": "J/kg", "comment": "dose equivalent (dose equivalent index)" },
99: { "name": "celcius", "symbol": "degC", "convert": "1 K", "comment": "multiplicatively OK" },
100: { "name": "fahrenheit", "symbol": "degF", "convert": "0.555555555 K", "comment": "multiplicatively OK" },
101: { "name": "molarity", "symbol": "M", "convert": "mol/L", "comment": "chemisty" },
102: { "name": "amu", "symbol": "amu", "convert": "1.66053873e-27 kg", "comment": "atomic mass unit" },
103: { "name": "amu", "symbol": "u", "convert": "1.66053873e-27 kg", "comment": "atomic mass unit" },
104: { "name": "cubiccentimeter", "symbol": "cc", "convert": "cm^3", "comment": "cubic centimeter" },
105: { "name": "electroncharge", "symbol": "e", "convert": "1.6021892E-19 C", "comment": "elementary charge" },
106: { "name": "hbar", "symbol": "hbar", "convert": "1.05457148E-34 m^2*kg/s", "comment": "Planck constant" },
107: { "name": "milesperhour", "symbol": "mph", "convert": "0.44704 m/s", "comment": "miles per hour" },
108: { "name": "rpm", "symbol": "rpm", "convert": "0.0166666667/s", "comment": "rounds per minute" },
109: { "name": "rpm", "symbol": "rpms", "convert": "0.0166666667/s", "comment": "rounds per minute" }
110: ]
111: }
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