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Powered by SaintsLink }, 'markup': { inputs: [{id: 'cost', label: 'Cost Price ($)', type: 'number'}, {id: 'markup', label: 'Markup Percentage (%)', type: 'number'}], calc: (v) => { const profit = v.cost * (v.markup / 100); const price = v.cost + profit; return { 'Selling Price': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + price.toFixed(2), 'Gross Profit': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + profit.toFixed(2) }; } }, 'break-even': { inputs: [{id: 'fixed', label: 'Fixed Costs ($)', type: 'number'}, {id: 'price', label: 'Price per Unit ($)', type: 'number'}, {id: 'variable', label: 'Variable Cost per Unit ($)', type: 'number'}], calc: (v) => { const margin = v.price - v.variable; if(margin <= 0) return { 'Error': 'Price must be greater than variable cost.' }; const units = v.fixed / margin; return { 'Break-even Units': Math.ceil(units), 'Break-even Revenue': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + (Math.ceil(units) * v.price).toFixed(2) }; } }, 'roi': { inputs: [{id: 'invested', label: 'Amount Invested ($)', type: 'number'}, {id: 'returned', label: 'Amount Returned ($)', type: 'number'}], calc: (v) => { const profit = v.returned - v.invested; const roi = (profit / v.invested) * 100; return { 'Net Profit': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + profit.toFixed(2), 'ROI': roi.toFixed(2) + '%' }; } }, 'commission': { inputs: [{id: 'sales', label: 'Total Sales ($)', type: 'number'}, {id: 'rate', label: 'Commission Rate (%)', type: 'number'}], calc: (v) => { const amount = v.sales * (v.rate / 100); return { 'Commission Amount': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + amount.toFixed(2) }; } }, 'loan': { inputs: [{id: 'principal', label: 'Loan Amount ($)', type: 'number'}, {id: 'rate', label: 'Annual Interest Rate (%)', type: 'number'}, {id: 'years', label: 'Loan Term (Years)', type: 'number'}], calc: (v) => { const p = v.principal; const r = (v.rate / 100) / 12; const n = v.years * 12; if(r === 0) return { 'Monthly Payment': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + (p/n).toFixed(2) }; const m = p * (r * Math.pow(1 + r, n)) / (Math.pow(1 + r, n) - 1); return { 'Monthly Payment': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + m.toFixed(2), 'Total Interest': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + ((m * n) - p).toFixed(2), 'Total Payment': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + (m * n).toFixed(2) }; } }, 'vat': { inputs: [{id: 'amount', label: 'Amount ($)', type: 'number'}, {id: 'rate', label: 'VAT Rate (%)', type: 'number'}], calc: (v) => { const vat = v.amount * (v.rate / 100); return { 'VAT Amount': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + vat.toFixed(2), 'Total (incl VAT)': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + (v.amount + vat).toFixed(2) }; } }, 'discount': { inputs: [{id: 'price', label: 'Original Price ($)', type: 'number'}, {id: 'discount', label: 'Discount (%)', type: 'number'}], calc: (v) => { const saved = v.price * (v.discount / 100); const final = v.price - saved; return { 'Amount Saved': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + saved.toFixed(2), 'Final Price': ' document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink + final.toFixed(2) }; } } }; let currentCalcId = null; function openCalculator(id) { const c = calculators.find(x => x.id === id); if (!c) return; currentCalcId = id; document.getElementById('calcTitle').textContent = c.name; document.getElementById('calcDesc').textContent = c.desc; const inputsDiv = document.getElementById('calcInputs'); inputsDiv.innerHTML = ''; document.getElementById('calcResult').style.display = 'none'; const conf = calcConfig[id]; if (conf) { conf.inputs.forEach(inp => { inputsDiv.innerHTML += `

${inp.label}

`; }); } else { inputsDiv.innerHTML = '

This specific calculator is being built. Check back soon!

'; } document.getElementById('calcModal').classList.add('active'); } function closeCalculator() { document.getElementById('calcModal').classList.remove('active'); currentCalcId = null; } function runCalculation() { if (!currentCalcId || !calcConfig[currentCalcId]) return; const conf = calcConfig[currentCalcId]; const vals = {}; conf.inputs.forEach(inp => { const el = document.getElementById('calc_inp_' + inp.id); vals[inp.id] = parseFloat(el.value) || 0; }); const res = conf.calc(vals); const resBox = document.getElementById('calcResult'); resBox.innerHTML = '

Result

' + Object.keys(res).map(k => `

${k}${res[k]}

`).join(''); resBox.style.display = 'block'; } // Fallback for click outside document.getElementById('calcModal')?.addEventListener('click', (e) => { if (e.target.id === 'calcModal') closeCalculator(); }); // Search document.getElementById('searchInput').addEventListener('input', filterAndRender); // Filters document.querySelectorAll('.filter-btn').forEach(btn => { btn.addEventListener('click', () => { document.querySelectorAll('.filter-btn').forEach(b => b.classList.remove('active')); btn.classList.add('active'); filterAndRender(); }); }); Powered by SaintsLink

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