//flags to mark previous function var opFlag=false //indicates previous entry was an operator var eqFlag=false //indicates previous function was a calculation function checkDec() { //prevents multiple decimal points in entry if (document.calc.screen.value.indexOf('.') == -1){ enterVal('.') return } if ((document.calc.screen.value.indexOf('.') >= 0) && ((eqFlag) || (opFlag))){ enterVal('.') return } } function enterVal(num){ //determine how to handle entry based on previous function if (eqFlag) { //last entry gave a total, no operators entered, so replace both stores document.calc.input.value=num document.calc.screen.value=num eqFlag=false return } if ((!opFlag) && (!eqFlag)){ //no operators or totals entered, still entering numbers document.calc.input.value += num document.calc.screen.value += num return } if (opFlag) { //operator entered, change screen value, build on input document.calc.screen.value =num document.calc.input.value += num opFlag=false return } } function compute() { //if last entry is an operator, input is not complete so do nothing len=document.calc.input.value.length var oneChar=document.calc.input.value.charAt(len-1) if ((oneChar == '+') || (oneChar == '-') || (oneChar == '*') || (oneChar == '/')) { return } document.calc.screen.value = fixIt(eval(document.calc.input.value)) document.calc.input.value = fixIt(eval(document.calc.input.value)) eqFlag=true } //a fix for JavaScript's crappy math handling function fixIt(num) { return(Math.round(num*10000000)/10000000); } function operator(op) { //can't enter operator before entering a value if (document.calc.screen.value == ''){ return } //if last entry is not an operator, use the one just entered eqFlag=false len=document.calc.input.value.length var oneChar=document.calc.input.value.charAt(len-1) if ((oneChar != '+') && (oneChar != '-') && (oneChar != '*') && (oneChar != '/') && (oneChar != '.')){ document.calc.screen.value = eval(document.calc.input.value) document.calc.input.value = eval(document.calc.input.value) document.calc.input.value += op } else { //if last entry is an operator, replace it with this one //this returns input store less operator document.calc.input.value=parseFloat(document.calc.input.value) document.calc.input.value+=op } opFlag=true } function clearAll() { document.calc.input.value = '' document.calc.screen.value='' } function clearEntry() { //don't do anything if the last entry is not a number len=document.calc.input.value.length var oneChar=document.calc.input.value.charAt(len-1) if ((oneChar == '+') || (oneChar == '-') || (oneChar == '*') || (oneChar == '/')) { return } if (document.calc.screen.value == ''){ //nothing here to clear return } if (document.calc.screen.value==document.calc.input.value) { //only one entry, so clear it document.calc.screen.value='' document.calc.input.value='' return } //get last number entered and clear it, return previous value to screen str1=document.calc.screen.value str2=document.calc.input.value ind=str2.lastIndexOf(str1) document.calc.input.value=document.calc.input.value.substring(0,ind) document.calc.screen.value=parseFloat(document.calc.input.value) } function sqrRT() { if (document.calc.input.value == ''){ //nothing entered, do nothing return } document.calc.screen.value=Math.sqrt(document.calc.screen.value) document.calc.input.value=document.calc.screen.value eqFlag=true } function sqr() { if (document.calc.input.value == ''){ return } document.calc.screen.value=(document.calc.screen.value)*(document.calc.screen.value) document.calc.input.value=document.calc.screen.value eqFlag=true } function neg() {//get last entry and negate it str1=document.calc.screen.value str2=document.calc.input.value ind=str2.lastIndexOf(str1) document.calc.input.value=document.calc.input.value.substring(0,ind) document.calc.screen.value=(document.calc.screen.value)*-1 document.calc.input.value += "(" + document.calc.screen.value + ")" //placed in () to solve double operator problem } function pcnt() { if (document.calc.input.value == ''){ //nothing here return } //if last entry is an operator, do nothing len=document.calc.input.value.length var oneChar=document.calc.input.value.charAt(len-1) if ((oneChar == '+') || (oneChar == '-') || (oneChar == '*') || (oneChar == '/')) { return } //check that there are two numbers entered if ((document.calc.input.value.indexOf('+') == -1)&& (document.calc.input.value.indexOf('-') == -1)&& (document.calc.input.value.indexOf('*') == -1)&& (document.calc.input.value.indexOf('/') == -1)){ return } //calculate percentage if ((document.calc.input.value.indexOf('+') != -1) || (document.calc.input.value.indexOf('-') != -1)) { percent=((document.calc.screen.value)/100)*parseFloat(document.calc.input.value) } else { percent=((document.calc.screen.value)/100) } //replace last entry with percentage and evaluate expression str1=document.calc.screen.value str2=document.calc.input.value ind=str2.lastIndexOf(str1) document.calc.input.value=document.calc.input.value.substring(0,ind) document.calc.input.value+=percent document.calc.screen.value = eval(document.calc.input.value) document.calc.input.value = eval(document.calc.input.value) eqFlag=true } function memory_p() { if (document.calc.screen.value ==''){ return } //add screen value to memory store document.calc.memory.value+= "+" + document.calc.screen.value document.calc.memory.value=eval(document.calc.memory.value) eqFlag=true document.calc.mem_win.value='M' //indicator of something in memory } function memory_s() { if (document.calc.screen.value ==''){ return } document.calc.memory.value += "-(" + (document.calc.screen.value) +")" document.calc.memory.value=eval(document.calc.memory.value) eqFlag=1 document.calc.mem_win.value='M' } function memory_r() { //recall memory store to screen document.calc.screen.value='' enterVal(document.calc.memory.value) eqFlag=true } function memory_c() { //clear memory indicator document.calc.memory.value=0 document.calc.mem_win.value='' } function constant(what) { if (what == 'pi') { document.calc.screen.value='' enterVal(Math.PI) eqFlag=true } } Thermo Pride Web Site
Thermopride Home
Homeowner Products Technical Online Store About Thermopride Links Contractor Search Contractor Site Contact Thermopride News

Technical Section


  Installation and Service Manuals
Oil Fired Furnace - Models: OC, OT, OL, OH
Furnace Assembly - Models: L33, 37, 39
Oil Furnace (general service and maintenance) - Models: OC, OT, OL, OH
ECM Operation - Models: OL, OH
2-Stage Oil Furnace - Models: OH5-85DXE
Low-Profile Highboy Oil Furnace - Models: OH6
ECM Operation - Models: OH6
Power Gas Furnace - Models: PGT, PGL
Power Gas conversion burner - Models: PG
Premiere Series Two-Stage Gas Fired Furnace - Models: CHX1/CDX1
ECM Operation - Models: CHX1/CDX1
90+% High-Efficiency Gas Fired Furnace - Models: CHB1/CDB1
Comfort 80+% Mid-Efficiency Gas Fired Furnace - Models: MHA/MDA
Comfort 80+% Mid-Efficiency Gas Fired Furnace - Models: MHA1/MDA1
ThermoPack™ Oil Combination Unit   - Model: OPA
Mobile Home Furnace - Gas and Oil Fired - Models: OMC
Mobile Home Furnace - Gas Fired - Models: GMD1
Premiere Series (14 SEER) Air Conditioner - Air Cooled Condensing Units
13 SEER Air Conditioner - Model: AC13
12 SEER Air Conditioner - Model: AC12
10 SEER Air Conditioner - Model: AC10
Air Handlers- Models AH1-A & AH2-A
ECM Air Handlers- Models AH2436E1 & AH4260E1
Wood / Coal Furnace - Models: WC-20, WC-27

  User Information Manuals
Gas Fired Furnace - Models: CHX1/CDX1, CHB1/CDB1
Gas Fired Furnace - Models: MHA/MDA
Gas Fired Furnace - Models: MHA1/MDA1

  Specifications
Click here to view all specs.
  Tool Box

Calculator
Conversions
Fuel Cost Comparison Formulas

Remember, you must have Free Adobe Acrobat Reader program on your computer or you will not be able to view or print our manuals. If you do not already have Acrobat Reader, click on this Abode  icon to download Acrobat Reader from Adobe Corp. for free.
getacro(1).gif (712 bytes)
  • Calculator                                            Back to Main Tool Box