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Prefix_web_dollars.html
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Prefix_web_dollars.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</style>
<title>String Splitter</title>
<style>
.dropdown-label {
color: black;
}
.special-btn {
color: black;
margin: 5px;
padding: 5px 10px;
}
body {
font-family: Arial, sans-serif;
padding: 20px;
}
.input-box {
font-size: 20px;
padding: 10px;
width: 100%;
box-sizing: border-box;
}
.error_box {
color: darkred;
margin-top: 40px;
font-size: 30px;
}
.answer {
color: black;
margin-top: 40px;
font-size: 40px;
}
.combined {
color: blue;
margin-top: 40px;
margin-bottom: 10px;
font-size: 40px;
}
.con {
color: black;
margin-top: 40px;
font-size: 20px;
}
.Imperial {
color: black;
margin-top: 40px;
margin-bottom: 10px;
font-size: 40px;
}
.extra {
color: black;
margin-top: 10px;
font-size: 25px;
}
.padding {
color: transparent;
margin-top: 40px;
margin-bottom: 40px;
font-size: 40px;
}
</style>
</head>
<body>
<center>
<span class="dropdown-label">Units Dropdown Menu </span><select id="unitDropdown" placeholder="All units dropdown Menu">
<!-- JavaScript will populate this dropdown with units -->All units dropdown Menu
</select>
<span class="dropdown-label">Metric Units Dropdown Menu </span><select id="unitDropdownM">
</select>
<span class="dropdown-label">Imperial Units Dropdown Menu </span><select id="unitDropdownI">
</select>
<span class="dropdown-label">Constants Dropdown Menu </span><select id="unitDropdownC">
</select>
<!-- Special Buttons -->
<div id="buttons-container"></div>
<!-- Entry Box -->
<input type="text" class="input-box" id ="input-box" placeholder="Enter Equation..." onkeyup="MAIN()",spellcheck="false">
<!-- Clear Button -->
<button onclick="clearInput()">Clear Input</button>
<!-- invert Button -->
<button onclick="invertinput()">Invert</button>
<!-- square Button -->
<button onclick="squareinput()">Square</button>
<!-- sqrt Button -->
<button onclick="sqrtinput()">Square root</button>
<button onclick="Bracketinput()">Bracket</button>
<div class="error_box"></div>
<!-- Result Display -->
<div class="answer">SI Units</div>
<div class="combined"></div>
<!-- Result Display -->
<div class="con">Base Unit Breakdown</div>
<!-- Result Display -->
<div class="Imperial">Imperial Units</div>
<!-- extra Display -->
<div class="extra">Extra Units</div>
<div class="padding">1 </div>
<script>
const inputElem = document.getElementById("input-box");
inputElem.focus();
const superscripts = {
'-': "\u207b",
'0': "\u2070",
'1': "\u00b9",
'2': "\u00b2",
'3': "\u00b3",
'4': "\u2074",
'5': "\u2075",
'6': "\u2076",
'7': "\u2077",
'8': "\u2078",
'9': "\u2079",
'.': "\u22C5"
};
const reversedMap = {};
for (let key in superscripts) {
reversedMap[superscripts[key]] = key;
}
let PRECISCION = 5;
let prefixes ={
'Q':1e30,
'R':1e27,
'Y':1e24,
'Z':1e21,
'E':1e18,
'P':1e15,
'T':1e12,
'G':1e9,
'M':1e6,
'k':1e3,
'': 1,
'c':1e-2,
'm':1e-3,
'μ':1e-6,
'n':1e-9,
'p':1e-12,
'f':1e-15,
'a':1e-18,
'z':1e-21,
'y':1e-24,
'r':1e-27,
'q':1e-30,
'yotta': 1e24,
'zetta': 1e21,
'exa': 1e18,
'peta': 1e15,
'tera': 1e12,
'giga': 1e9,
'mega': 1e6,
'kilo': 1e3,
'hecto': 1e2,
'deka': 1e1,
'centi': 1e-2,
'milli': 1e-3,
'micro': 1e-6,
'nano': 1e-9,
'pico': 1e-12,
'femto': 1e-15,
'atto': 1e-18,
'zepto': 1e-21,
'yocto': 1e-24
};
let prefixescon = {};
prefixescon[""] = 1;
for (let x = -46; x < -3; x++) {
prefixescon["×10" + toSuperscript(x) + " "] = Math.pow(10, x);
}
for (let x = 3; x < 46; x++) {
prefixescon["×10" + toSuperscript(x) + " "] = Math.pow(10, x);
}
//m l t a K $
//kg m s A K $
let units = {'':[0.0,0.0,0.0,0.0,0.0, 0.0],
'$':[0.0,0.0,0.0,0.0,0.0, 1.0],
'degrees':[0.0,0.0,0.0,0.0,0.0, 0.0],
'rotations':[0.0,0.0,0.0,0.0,0.0, 0.0],
'π':[0.0,0.0,0.0,0.0,0.0, 0.0],
'pi':[0.0,0.0,0.0,0.0,0.0, 0.0],
'mole':[0.0,0.0,0.0,0.0,0.0, 0.0],
'°':[0.0,0.0,0.0,0.0,0.0, 0.0],
' ':[0.0,0.0,0.0,0.0,0.0, 0.0],
'rot':[0.0,0.0,0.0,0.0,0.0, 0.0],
'rotation':[0.0,0.0,0.0,0.0,0.0, 0.0],
'deg':[0.0,0.0,0.0,0.0,0.0, 0.0],
'%':[0.0,0.0,0.0,0.0,0.0, 0.0],
'g':[1.0,0.0,0.0,0.0,0.0, 0.0],
'gram':[1.0,0.0,0.0,0.0,0.0, 0.0],
'kg':[1.0,0.0,0.0,0.0,0.0, 0.0],
'amu':[1.0,0.0,0.0,0.0,0.0, 0.0],
'Planck_mass':[1.0,0.0,0.0,0.0,0.0, 0.0],
'lb_mass':[1.0,0.0,0.0,0.0,0.0, 0.0],
'mass_sun':[1.0,0.0,0.0,0.0,0.0, 0.0],
'mass_earth':[1.0,0.0,0.0,0.0,0.0, 0.0],
'slug':[1.0,0.0,0.0,0.0,0.0, 0.0],
'mass_moon':[1.0,0.0,0.0,0.0,0.0, 0.0],
'lbm':[1.0,0.0,0.0,0.0,0.0, 0.0],
'Atomic_Mass_Unit':[1.0,0.0,0.0,0.0,0.0, 0.0],
'st':[1.0,0.0,0.0,0.0,0.0, 0.0],
'stone':[1.0,0.0,0.0,0.0,0.0, 0.0],
'石':[1.0,0.0,0.0,0.0,0.0, 0.0],
'm':[0.0,1.0,0.0,0.0,0.0, 0.0],
'pc':[0.0,1.0,0.0,0.0,0.0, 0.0],
'AU':[0.0,1.0,0.0,0.0,0.0, 0.0],
'earth_circumference':[0.0,1.0,0.0,0.0,0.0, 0.0],
'R_earth':[0.0,1.0,0.0,0.0,0.0, 0.0],
'Å':[0.0,1.0,0.0,0.0,0.0, 0.0],
'Planck_length':[0.0,1.0,0.0,0.0,0.0, 0.0],
'yard':[0.0,1.0,0.0,0.0,0.0, 0.0],
'Football_Field':[0.0,1.0,0.0,0.0,0.0, 0.0],
'mile':[0.0,1.0,0.0,0.0,0.0, 0.0],
'in':[0.0,1.0,0.0,0.0,0.0, 0.0],
'ft':[0.0,1.0,0.0,0.0,0.0, 0.0],
'orbit_moon':[0.0,1.0,0.0,0.0,0.0, 0.0],
'miles':[0.0,1.0,0.0,0.0,0.0, 0.0],
'meter':[0.0,1.0,0.0,0.0,0.0, 0.0],
'ly':[0.0,1.0,0.0,0.0,0.0, 0.0],
's':[0.0,0.0,1.0,0.0,0.0, 0.0],
'second':[0.0,0.0,1.0,0.0,0.0, 0.0],
'Planck_time':[0.0,0.0,1.0,0.0,0.0, 0.0],
'minute':[0.0,0.0,1.0,0.0,0.0, 0.0],
'min':[0.0,0.0,1.0,0.0,0.0, 0.0],
'hour':[0.0,0.0,1.0,0.0,0.0, 0.0],
'hr':[0.0,0.0,1.0,0.0,0.0, 0.0],
'day':[0.0,0.0,1.0,0.0,0.0, 0.0],
'yr':[0.0,0.0,1.0,0.0,0.0, 0.0],
'year':[0.0,0.0,1.0,0.0,0.0, 0.0],
'Age_of_universe':[0.0,0.0,1.0,0.0,0.0, 0.0],
'h':[0.0,0.0,1.0,0.0,0.0, 0.0],
'years':[0.0,0.0,1.0,0.0,0.0, 0.0],
'days':[0.0,0.0,1.0,0.0,0.0, 0.0],
'sec':[0.0,0.0,1.0,0.0,0.0, 0.0],
'second':[0.0,0.0,1.0,0.0,0.0, 0.0],
'A':[0.0,0.0,0.0,1.0,0.0, 0.0],
'K':[0.0,0.0,0.0,0.0,1.0, 0.0],
'°F':[0.0,0.0,0.0,0.0,1.0, 0.0],
'°C':[0.0,0.0,0.0,0.0,1.0, 0.0],
'Planck_temperature':[0.0,0.0,0.0,0.0,1.0, 0.0],
'hz':[0.0,0.0,-1.0,0.0,0.0, 0.0],
'rpm':[0.0,0.0,-1.0,0.0,0.0, 0.0],
'RPM':[0.0,0.0,-1.0,0.0,0.0, 0.0],
'H₀':[0.0,0.0,-1.0,0.0,0.0, 0.0],
'm²':[0.0,2.0,0.0,0.0,0.0, 0.0],
'acre':[0.0,2.0,0.0,0.0,0.0, 0.0],
'm^2':[0.0,2.0,0.0,0.0,0.0, 0.0],
'm³':[0.0,3.0,0.0,0.0,0.0, 0.0],
'liter':[0.0,3.0,0.0,0.0,0.0, 0.0],
'gallon':[0.0,3.0,0.0,0.0,0.0, 0.0],
'gallons':[0.0,3.0,0.0,0.0,0.0, 0.0],
'cup':[0.0,3.0,0.0,0.0,0.0, 0.0],
'quart':[0.0,3.0,0.0,0.0,0.0, 0.0],
'pint':[0.0,3.0,0.0,0.0,0.0, 0.0],
'floz':[0.0,3.0,0.0,0.0,0.0, 0.0],
'tablespoon':[0.0,3.0,0.0,0.0,0.0, 0.0],
'tbsp':[0.0,3.0,0.0,0.0,0.0, 0.0],
'teaspoon':[0.0,3.0,0.0,0.0,0.0, 0.0],
'tspn':[0.0,3.0,0.0,0.0,0.0, 0.0],
'L':[0.0,3.0,0.0,0.0,0.0, 0.0],
'liter':[0.0,3.0,0.0,0.0,0.0, 0.0],
'm^3':[0.0,3.0,0.0,0.0,0.0, 0.0],
'cc':[0.0,3.0,0.0,0.0,0.0, 0.0],
'molarity':[0.0,-3.0,0.0,0.0,0.0, 0.0],
'C':[0.0,0.0,1.0,1.0,0.0, 0.0],
'e':[0.0,0.0,1.0,1.0,0.0, 0.0],
// 'kg/s':[1.0,-1.0,0.0,0.0,0.0, 0.0],
'm/s':[0.0,1.0,-1.0,0.0,0.0, 0.0],
'c_speed_of_light':[0.0,1.0,-1.0,0.0,0.0, 0.0],
'c':[0.0,1.0,-1.0,0.0,0.0, 0.0],
'mph':[0.0,1.0,-1.0,0.0,0.0, 0.0],
'm/s²':[0.0,1.0,-2.0,0.0,0.0, 0.0],
'g_earth':[0.0,1.0,-2.0,0.0,0.0, 0.0],
'gₑ':[0.0,1.0,-2.0,0.0,0.0, 0.0],
'm/s^2':[0.0,1.0,-2.0,0.0,0.0, 0.0],
'g/m³':[1.0,-3.0,0.0,0.0,0.0, 0.0],
'kg/m³':[1.0,-3.0,0.0,0.0,0.0, 0.0],
'Density_of_Water':[1.0,-3.0,0.0,0.0,0.0, 0.0],
'ρ':[1.0,-3.0,0.0,0.0,0.0, 0.0],
'N':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'newton':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'lbf':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'lb':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'Pa':[1.0,-1.0,-2.0,0.0,0.0, 0.0],
'pascal':[1.0,-1.0,-2.0,0.0,0.0, 0.0],
'bar':[1.0,-1.0,-2.0,0.0,0.0, 0.0],
'atm':[1.0,-1.0,-2.0,0.0,0.0, 0.0],
'psi':[1.0,-1.0,-2.0,0.0,0.0, 0.0],
'T':[1.0,0.0,-2.0,-1.0,0.0, 0.0],
'J':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'joule':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'eV':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'Btu':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'cal':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'kcal':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'BTU':[1.0,2.0,-2.0,0.0,0.0, 0.0],
'G':[-1.0,3.0,-2.0,0.0,0.0, 0.0],
'G_gravitational_constant':[-1.0,3.0,-2.0,0.0,0.0, 0.0],
'W':[1.0,2.0,-3.0,0.0,0.0, 0.0],
'watt':[1.0,2.0,-3.0,0.0,0.0, 0.0],
'hp':[1.0,2.0,-3.0,0.0,0.0, 0.0],
'V':[1.0,2.0,-3.0,-1.0,0.0, 0.0],
'volt':[1.0,2.0,-3.0,-1.0,0.0, 0.0],
'H':[1.0,2.0,-2.0,-2.0,0.0, 0.0],
'Ω':[1.0,2.0,-3.0,-2.0,0.0, 0.0],
'ohm':[1.0,2.0,-3.0,-2.0,0.0, 0.0],
'F':[-1.0,-2.0,4.0,2.0,0.0, 0.0],
'ε₀':[-1.0,-3.0,4.0,2.0,0.0, 0.0],
'Coulomb_constant':[1.0,3.0,-4.0,-2.0,0.0, 0.0],
'kₑ':[1.0,3.0,-4.0,-2.0,0.0, 0.0],
'Mach':[0,1,-1,0,0,0],
'mach':[0,1,-1,0,0,0],
'Ma':[0,1,-1,0,0,0],
'energy_desity_of_gasoline':[0,2,-2,0,0,0],
'Hg_density':[1,-3,0,0,0,0],
'¥':[0,0,0,0,0,1],
'€':[0,0,0,0,0,1],
'Gold_cost':[-1,0,0,0,0,1],
'dyn':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'tonne':[1.0,0.0,0.0,0.0,0.0, 0.0],
'Ton':[1.0,0.0,0.0,0.0,0.0, 0.0],
'ton':[1.0,0.0,0.0,0.0,0.0, 0.0],
't':[1.0,0.0,0.0,0.0,0.0, 0.0],
"Hg":[1.0,-2,-2.0,0.0,0.0, 0.0], //kg⋅m⁻²⋅s⁻²
'oz':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'ounce':[1.0,1.0,-2.0,0.0,0.0, 0.0],
'℥':[1,0,0,0,0,0],
'PRU':[1,-4,-1,0,0,0],
'mmHg':[1, -1, -2, 0, 0, 0],
'bpm':[0,0,-1,0,0,0],
'BPM':[0,0,-1,0,0,0],
'dyn/cm²':[1,-1,-2,0,0,0],
'P':[1,-1,-1,0,0,0],
'poise':[1,-1,-1,0,0,0],
'sq. inch':[0,2,0,0,0,0],
'St':[0,2,-1,0,0,0],
'Stokes':[0,2,-1,0,0,0],
'Stone':[1,0,0,0,0,0],
'st':[1,0,0,0,0,0],
'\'':[0,0,0,0,0,0],
'\"':[0,0,0,0,0,0],
'°C₀':[0,0,0,0,1,0],
'kWh':[1,2,-2,0,0,0],
'kwh':[1,2,-2,0,0,0],
};
unit_values = {'':1,
'kWh':3.6000e+6,
'kwh':3.6000e+6,
'°C₀':273.15,
'\'':0.017453292519943295/60,
'\"':0.017453292519943295/60/60,
'St':0.00010000,
'Stokes':0.00010000,
'Stone':6.35 ,
'st':6.35 ,
'P':.1,
'poise':.1,
'dyn/cm²':0.10000,
'BPM':0.016666666667,
'bpm':0.016666666667,
'mmHg':133.32,
'℥':0.028350,
'PRU':1.3330e+8,
"Hg":1.3332e+5,
'bar':1.0000e+5,
'cc':.000001,
'gₑ':9.80665,
'°C':1,
'newton':1,
'pascal':1,
'Hg_density':13546,
'liter':1,
'joule':1,
'watt':1,
'volt':1,
'ohm':1,
'meter':1,
'ly':9.4555e+15,
'second':1,
'%':0.01,
'Ton':1000,
'ton':1000,
'ton':1000,
'oz':4.44822/16,
'ounce':4.44822/16,
't':1000,
'tonne':1000,
'dyn':1e-5,
'¥':0.0068,
'€':1.08,
'Gold_cost':64790,
'energy_desity_of_gasoline':4.7500e+7,
'Mach':343,
'mach':343,
'Ma':343,
'$':1,
'degrees':0.017453292519943295,
'rotations':6.283185307179586,
'π':3.141592653589793,
'pi':3.141592653589793,
'mole':6.0221407599999996e+26,
'°':0.017453292519943295,
' ':1,
'rot':6.283185307179586,
'rotation':6.283185307179586,
'deg':0.017453292519943295,
'g':0.001,
'gram':0.001,
'kg':1,
'amu':1.6605390666e-27,
'Planck_mass':2.176434e-08,
'lb_mass':0.453592,
'mass_sun':1.9891e+30,
'mass_earth':5.97219e+24,
'slug':14.5939,
'mass_moon':7.347673e+22,
'lbm':0.453592,
'Atomic_Mass_Unit':1.6605390666e-27,
'st':0.453592*14,
'stone':0.453592*14,
'石':72.6,
'm':1,
'pc':3.0857e+16,
'AU':149597800000.0,
'earth_circumference':40075000,
'R_earth':6378130.0,
'Å':1e-10,
'Planck_length':1.6162553e-35,
'yard':0.9144000000000001,
'Football_Field':91.44000000000001,
'mile':1609.34,
'in':0.025400000000000002,
'ft':0.3048,
'orbit_moon':384400000,
'miles':1609.34,
's':1,
'Planck_time':5.391247e-44,
'minute':60,
'min':60,
'hour':3600,
'hr':3600,
'day':86400,
'yr':31540000.0,
'year':31540000.0,
'Age_of_universe':4.34842e+17,
'h':3600,
'years':31540000.0,
'days':86400,
'sec':1,
'second':1,
'A':1,
'Planck_temperature':1.416784e+32,
'K':1,
'°F':0.5555555555555556,
'hz':1,
'rpm':0.10471975511965977,
'RPM':0.10471975511965977,
'H₀':2.197802197802198e-18,
'm²':1,
'acre':4046.8564224,
'm^2':1,
'm³':1,
'liter':0.001,
'gallon':0.00378541,
'gallons':0.00378541,
'cup':0.00378541/16,
'quart':0.00378541/4,
'pint':0.00378541/8,
'floz':0.00378541/8/16,
'tablespoon':0.00378541/16/16,
'tbsp':0.00378541/16/16,
'teaspoon':0.00378541/16/48,
'tspn':0.00378541/16/48,
'L':0.001,
'm^3':1,
'molarity':6.0221407599999996e+26,
'C':1,
'e':1.602176634e-19,
'm/s':1,
'c_speed_of_light':299792458,
'c':299792458,
'mph':0.44704,
'm/s²':1,
'g_earth':9.80665,
'm/s^2':1,
'g/m³':0.001,
'kg/m³':1,
'Density_of_Water':999.8395,
'ρ':999.8395,
'N':1,
'lbf':4.44822,
'lb':4.44822,
'Pa':1,
'atm':101325,
'psi':6894.76,
'T':1,
'J':1,
'eV':1.602176634e-19,
'Btu':1055.1,
'cal':4.184,
'kcal':4.184*1000,
'BTU':1055.1,
'G':6.6743e-11,
'G_gravitational_constant':6.6743e-11,
'W':1,
'hp':745.7,
'V':1,
'H':1,
'Ω':1,
'F':1,
'ε₀':8.8541878128e-12,
'Coulomb_constant':8987551000.0,
'kₑ':8987551000.0,
'sq. inch':0.00064516,
};
let knownUnits = Object.keys(units).sort((a, b) => b.length - a.length);
// Create items array
var items = Object.keys(unit_values).map(function(key) {
return [key, unit_values[key]];
});
// Sort the array based on the second element
items.sort(function(first, second) {
return -second[1] + first[1];
});
console.log(items)
let knowrev = Object.keys(units);
let imperial_keys = [
'lb_mass',
'slug',
'lbm',
'in',
'yard',
'Football_Field',
'mile',
'ft',
'miles',
'°F',
'acre',
'gallon',
'gallons',
'mph',
'lbf',
'lb',
'psi',
'Btu',
'BTU',
'hp',
'st'
];
let metric_keys = [
'g', // Mass
'm', // Length
's', // Time
'A', // Electric current
'K', // Temperature
'N', // Force
'Pa', // Pressure
'J', // Energy
'W', // Power
'V', // Voltage
'Ω', // Resistance
'H', // Inductance
'F', // Capacitance
'T', // Magnetic field strength
'Hz', // Frequency
'mol', // Amount of substance
'C', // Electric charge
'm^2', // Area
'm^3', // Volume
'm/s', // Speed
'm/s^2', // Acceleration
'kg/m^3', // Density
];
const constants = [
'Gold_cost',
'energy_desity_of_gasoline',
'π',
'Planck_mass',
'mass_sun',
'mass_earth',
'mass_moon',
'earth_circumference',
'R_earth',
'Planck_length',
'orbit_moon',
'Age_of_universe',
'Planck_temperature',
'H₀',
'Density_of_Water',
'G',
'G',
'ε₀',
'Coulomb_constant'
];
let frontUnit = [
"$",
"Mach",
"¥",
"€"
]
// // Function to determine the category of a unit
// function getCategory(unit) {
// if (imperial_keys.includes(unit)) {
// return 'imperial';
// } else if (metric_keys.includes(unit)) {
// return 'metric';
// } else {
// return 'constant';
// }
// }
// // Create a new structured object
// let structuredUnits = {};
// Object.keys(units).forEach(unit => {
// structuredUnits[unit] = {
// vector: units[unit],
// value: unit_values[unit],
// category: getCategory(unit)
// };
// });
// // Convert the structured data to a JSON string
// let dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(structuredUnits, null, 4));
// let downloadAnchorNode = document.createElement('a');
// downloadAnchorNode.setAttribute("href", dataStr);
// downloadAnchorNode.setAttribute("download", "structured_units.json");
// document.body.appendChild(downloadAnchorNode); // Required for Firefox
// downloadAnchorNode.click();
// downloadAnchorNode.remove();
function toSuperscript(num) {
const superscript_map = {
'-': "\u207b",
'0': "\u2070",
'1': "\u00b9",
'2': "\u00b2",
'3': "\u00b3",
'4': "\u2074",
'5': "\u2075",
'6': "\u2076",
'7': "\u2077",
'8': "\u2078",
'9': "\u2079",
'.': "\u22C5"
};
return [...String(num)].map(char => superscript_map[char] || char).join('');
}
function bestPrefix(num,p_list) {
let best = '';
let abn = Math.abs(num);
if ((abn<1) || (abn >=1000)){
for (let prefix in p_list) {
if (abn >= p_list[prefix] && (best == '' || p_list[prefix] > p_list[best])) {
best = prefix;
}
}}
return best;
}
function bestPrefixten(num,p_list) {
let best = '';
let abn = Math.abs(num);
if ((abn<.0001) || (abn >=100000)){
for (let prefix in p_list) {
if (abn >= p_list[prefix] && (best == '' || p_list[prefix] > p_list[best])) {
best = prefix;
}
}}
return best;
}
function intermsStrCon(a, b) {
const mlta = a.length; // assuming `a` and `b` have same length
let num = '';
for (let x = 0; x < mlta; x++) {
if (b[x] === 1) {
num += (a[x] + '⋅');
} else if (b[x] !== 0) {
num += (a[x] + toSuperscript(b[x]) + '⋅');
}
}
if (num !== '' && num.endsWith('⋅')) {
num = num.slice(0, -1);
}
return num;
}
function arraysEqual(a, b)
{
if (a.length !== b.length) return false;
for (let i = 0; i < a.length; i++) {
if (a[i] !== b[i]) return false;
}
return true;
}
function inTermsMetric(mlta_vector) {
// Iterate over unit names
for (let u of Object.keys(units)) {
if (arraysEqual(mlta_vector, units[u])) {
return u;
}
}
return ''; // Return an empty string if no match is found
}
function inTermsImperial(mlta_vector) {
// Iterate over unit names
for (let u of imperial_keys) {
if (arraysEqual(mlta_vector, units[u])) {
return u;
}
}
return ''; // Return an empty string if no match is found
}
class Value {
constructor() {
this.original_unit = '';
this.mlta_vector = [0, 0, 0, 0, 0, 0]; // Assuming vec creates an array
this.value = 1;
this.prefix = '';
}
setUnit(u_string, exponent = 1) {
this.original_unit = u_string;
this.mlta_vector = units[u_string].map(val => val * exponent); // Assuming units is a dictionary of arrays
this.value *= Math.pow(unit_values[u_string], exponent);
}
setPrefix(p_string, exponent = 1) {
this.prefix = p_string;
this.value *= Math.pow(prefixes[p_string], exponent);
if (this.original_unit === 'm³') {
this.value *= prefixes[p_string] * prefixes[p_string];
}
}
is_unitless(){
for (let i = 0; i < 5; i++)
{
if ( this.mlta_vector[i] != 0)
{
return false;
}
}
return true;
}
show() {
console.log(this.value, this.mlta_vector);
}
expo(ex) {
this.value = Math.pow(this.value,ex);
this.mlta_vector = this.mlta_vector.map(val => val * ex);
}
get_value_in_terms(u) {
let v = this.value;
v /= unit_values[u];
return( v);
}
show_in_terms() {
let unit_str = inTermsMetric(this.mlta_vector);
let v = this.value;
v = this.get_value_in_terms(unit_str);
let pref_str = '';
if (unit_str == '')
{
unit_str = intermsStrCon(['kg','m','s','A','K','$'],this.mlta_vector);
// if (unit_str[0] === 'g'){
// v /= 1000;
// }
pref_str = bestPrefixten(v,prefixescon);
v /= prefixescon[pref_str]
}
else{
pref_str = bestPrefix(v,prefixes);
if (unit_str == 'm³')
{
pref_str = bestPrefix(Math.pow(v,1/3),prefixes)
}
if (unit_str === 'm²')
{
pref_str = bestPrefix(Math.pow(v,1/2),prefixes)
}
v /= prefixes[pref_str]
if (unit_str == 'm³')
{
v /= prefixes[pref_str]
v /= prefixes[pref_str]
}
if (unit_str === 'm²')
{
v /= prefixes[pref_str]
}
}
return(v.toPrecision(PRECISCION).toString()+pref_str+ unit_str);
}
show_in_terms_con() {
let unit_str = intermsStrCon(['kg','m','s','A','K','$'],this.mlta_vector);
let v = this.value;
let pref_str = '';//bestPrefix(v,prefixescon);
// v /= prefixescon[pref_str]
return(v.toPrecision(PRECISCION).toString()+pref_str+ unit_str);
}
show_in_terms_imperial() {
let unit_str = inTermsImperial(this.mlta_vector);
let v = this.value;
v = this.get_value_in_terms(unit_str);
let pref_str = bestPrefixten(v,prefixescon);
if (unit_str == '')
{
let conversion_uscs = [14.59390,0.3048,1,1,5/9]
let uscs_mlta = [0,0,0,0,0,0]
for (let i = 0; i < 5; i++) {
v *= Math.pow(1/conversion_uscs[i], this.mlta_vector[i])
}
unit_str = intermsStrCon(['slug','ft','s','A','F','$'],this.mlta_vector);
}
v /= prefixescon[pref_str]
return(v.toPrecision(PRECISCION).toString() +' '+ pref_str + unit_str);
}
show_in_terms_combined() {
//let unit_str = intermsStrCon(['kg','m','s','A','K','$'],this.mlta_vector);
let v = this.value;
if (this.mlta_vector == [0,0,1,0,0,0])
{
v = this.get_value_in_terms('hour');
return( v + 'hours');
}
return '';
}
show_in_terms_extra()
{
// Iterate over unit names
let vallist = [];
let res = '';
let v = this.value;
let i = 0;
for (let u of items)
{
u = u[0];
console.log(u);
if (arraysEqual(this.mlta_vector, units[u]))
{
let v_in_terms = (v / unit_values[u]);
if (!vallist.includes(v_in_terms))
{
vallist.push(v_in_terms);
res += ' = ';
res += (v / unit_values[u]).toPrecision(PRECISCION).toString();
res += ' ';
res += u;
i+=1;
res += "<br>"
}
}
}
//res = res.substring(0,res.length-3)
return res;
}
}
function extractUnit(str) {
for (let unit of knownUnits) {
if (str.endsWith(unit)) {
return {
prefix: str.substring(0, str.length - unit.length),
unit: unit
};
}
}
// Return null if no known unit is found at the end of the string
return null;
}
function superscriptToNormal(input)
{
let result = "";
let foundSuperscript = false;
let start = 0;
for (let i = 0; i < input.length; i++) {
if (reversedMap[input[i]]) {
if (!foundSuperscript) {
result += "^";
foundSuperscript = true;
start = i;
}
result += reversedMap[input[i]];
} else {
foundSuperscript = false;
result += input[i];
}
}
return result;
}
function exp_str_reader(term)
{
if (term.includes('^'))
{
let exponentStart = term.indexOf('^'); // Position just after ^
let exponentEnd = exponentStart;
while (exponentEnd < term.length) {
exponentEnd++;
}
return {
val:parseFloat(term.substring(exponentStart+1, exponentEnd)),
term:term.substring(0,exponentStart)
};
}
return {
val:1.0,
term:term