letterly.github.io/harriscalc.html at main · letterly/letterly.github.io · GitHub

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<html>
    <head>
        <style>
            body, DOM{
                background-color: #221a0f;
                font-family: Verdana;
            }
            #content{
                background-color: #fbebd4;
                height: 54px;
                width: 100%;
                margin-bottom: 10px;
                font-size: 44px;
                font-weight: 700;
            }
            .number{
                background-color: #f79a32;
            }
            .n{
                color: #f79a32;
            }
            .operator{
                background-color: #dc3958;
            }
            .o{
                color: #dc3958;
            }
            .syntax{
                background-color: #a57a4c;
            }
            .s{
                color: #a57a4c;
            }
            .constant{
                background-color: #889b4a;
            }
            .c{
                color: #889b4a;
            }
            .equals{
                background-color: #088649;
            }
            .input{
                background-color: #8ab1b0;
            }
            h1{
                text-align: center;
                font-size: 48px;
                color: #fbebd4;
            }
            button{
                color: #fbebd4;
                border: none;
                height: 50px;
                font-size: 28px;
            }
            .o-:first-child, .o + .o-, .s + .o-{
                color: #f79a32;
            }
        </style>
        <script>
            function balancedParentheses(phrase){
                if(phrase.includes("()")) return false
                n = 0
                for(x of phrase){
                    if(x == "(") n++
                    if(x == ")") n--
                    if(n < 0) return false
                }
                if(n == 0) return true
                else return false
            }
            function render(id){
                tp = id.charAt(0)
                cn = id.slice(1)
                document.getElementById("content").innerHTML += `<span class="${tp} ${id}">${cn}</span>`
            }
            function equals(){
                if(!balancedParentheses(document.getElementById("content").textContent)){
                    alert("parentheses error")
                    return 0;
                }
                e = Array.from(document.getElementById("content").childNodes)
                equation = []
                // parses equation
                for(ex of e){
                    ex = ex.textContent
                    console.log(ex)
                    ex = ex.replace(/𞥐/g, "0").replace(/𞥑/g, "1").replace(/𞥒/g, "2").replace(/𞥓/g, "3").replace(/𞥔/g, "4").replace(/𞥕/g, "5").replace(/𞥖/g, "6").replace(/𞥗/g, "7").replace(/𞥘/g, "8").replace(/𞥙/g, "9")
                    if((equation.length > 0) && (!isNaN(ex) || ex == ".")){
                        n = equation[equation.length-1]
                        if(!isNaN(n) || n == "." || (n == "-" && (equation.length == 1 ||"+-*/^".includes(equation[equation.length-2])))) equation[equation.length-1] += ex
                        else equation.push(ex)
                    }
                    else equation.push(ex)
                }
                console.log(equation)
                newequation = []
                // adds implicit multiplication sign x
                for(second of equation){
                    first = newequation[newequation.length-1]
                    if(first == undefined) first = "+"
                    if(second == "(" && !("+-*/^".includes(first))) newequation.push("x")
                    else if("πe".includes(second) && !(isNaN(first))) newequation.push("x")
                    if(second == "π") second = "3.14159"
                    else if(second == "e") second = "2.71828"
                    newequation.push(second)
                }
                console.log(+(bruhmoment(newequation)[0]).toFixed(5))
                document.getElementById("content").innerHTML = `<span class="n">${((+(bruhmoment(newequation)[0]).toFixed(5)) + "").replace(/0/g, "𞥐").replace(/1/g, "𞥑").replace(/2/g, "𞥒").replace(/3/g, "𞥓").replace(/4/g, "𞥔").replace(/5/g, "𞥕").replace(/6/g, "𞥖").replace(/7/g, "𞥗").replace(/8/g, "𞥘").replace(/9/g, "𞥙")}</span>`
            }
            function del(){
                d = document.getElementById("content")
                if(d.hasChildNodes()) d.removeChild(d.lastChild)
            }

            //non button functions
            function solvephrase(phrase){
                newphrase = []
                for(item of phrase.reverse()){
                    if(newphrase[newphrase.length-1] == "^"){
                        exp = Math.pow(item, newphrase[newphrase.length-2])
                        newphrase.pop()
                        newphrase.pop()
                        newphrase.push(exp)
                    }
                    else newphrase.push(item)
                }
                phrase = newphrase.reverse()
                newphrase = []
                for(item of phrase){
                    if(newphrase[newphrase.length-1] == "x"){
                        mult = newphrase[newphrase.length-2] * item
                        newphrase.pop()
                        newphrase.pop()
                        newphrase.push(mult)
                    }
                    else newphrase.push(item)
                }
                phrase = newphrase
                newphrase = []
                for(item of phrase){
                    if(newphrase[newphrase.length-1] == "*"){
                        mult = newphrase[newphrase.length-2] * item
                        newphrase.pop()
                        newphrase.pop()
                        newphrase.push(mult)
                    }
                    else if(newphrase[newphrase.length-1] == "/"){
                        div = newphrase[newphrase.length-2] / item
                        newphrase.pop()
                        newphrase.pop()
                        newphrase.push(div)
                    }
                    else newphrase.push(item)
                }
                phrase = newphrase
                newphrase = []
                for(item of phrase){
                    if(newphrase[newphrase.length-1] == "+"){
                        add = +newphrase[newphrase.length-2] + +item
                        newphrase.pop()
                        newphrase.pop()
                        newphrase.push(add)
                    }
                    else if(newphrase[newphrase.length-1] == "-"){
                        sub = newphrase[newphrase.length-2] - item
                        newphrase.pop()
                        newphrase.pop()
                        newphrase.push(sub)
                    }
                    else newphrase.push(item)
                }
                return newphrase
            }
            function bruhmoment(phrase){
                phrase.unshift("(")
                phrase.push(")")
                while(phrase.includes(")")){
                    x = phrase.slice(0, phrase.indexOf(")"))
                    n = x.lastIndexOf("(")
                    g = phrase.slice(n+1, phrase.indexOf(")"))
                    phrase = phrase.slice(0, n).concat(solvephrase(g), phrase.slice(phrase.indexOf(")")+1))
                }
                return phrase
            }
        </script>
    </head>
    <body>
        <h1>HarrisCalc</h1>
        <div id="content" dir="rtl"></div>
        <div id="buttons">
            <button id="n𞥙" class="number" onclick="render(this.id)">𞥙</button>
            <button id="n𞥘" class="number" onclick="render(this.id)">𞥘</button>
            <button id="n𞥗" class="number" onclick="render(this.id)">𞥗</button>
            <button id="n𞥖" class="number" onclick="render(this.id)">𞥖</button>
            <button id="n𞥕" class="number" onclick="render(this.id)">𞥕</button>
            <button id="n𞥔" class="number" onclick="render(this.id)">𞥔</button>
            <button id="n𞥓" class="number" onclick="render(this.id)">𞥓</button>
            <button id="n𞥒" class="number" onclick="render(this.id)">𞥒</button>
            <button id="n𞥑" class="number" onclick="render(this.id)">𞥑</button>
            <button id="n𞥐" class="number" onclick="render(this.id)">𞥐</button>
            <button id="n." class="number" onclick="render(this.id)">.</button>
            <button id="o+" class="operator" onclick="render(this.id)">+</button>
            <button id="o-" class="operator" onclick="render(this.id)">-</button>
            <button id="o*" class="operator" onclick="render(this.id)">*</button>
            <button id="o/" class="operator" onclick="render(this.id)">/</button>
            <button id="o^" class="operator" onclick="render(this.id)">^</button>
            <button id="s(" class="syntax" onclick="render(this.id)">(</button>
            <button id="s)" class="syntax" onclick="render(this.id)">)</button>
            <button id="cπ" class="constant" onclick="render(this.id)">π</button>
            <button id="ce" class="constant" onclick="render(this.id)">e</button>
            <button id="e=" class="equals" onclick="equals()">=</button>
            <button id="iDEL" class="input" onclick="del()">DEL</button>
        </div>
    </body>
</html>