kawaiipunk/SCD-Bond-Calculator
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Fix simple-at-maturity payout bug and minor issues

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- Fix: simple-at-maturity final payout now includes total interest
  (was only paying one year's interest due to dead ternary)
- Fix: add type='button' to prevent form submission in WordPress
- Fix: add radix 10 to parseInt
- Fix: remove misleading tilde on exact average income calculation
This commit is contained in:
KawaiiPunk
2026-06-15 00:31:35 +01:00
parent 3d998be953
commit d2c3f981fd
1 changed files with 4 additions and 4 deletions
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8
calc.html
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@ -77,7 +77,7 @@
<!-- Triggers the run() function which validates, computes, and --> <!-- Triggers the run() function which validates, computes, and -->
<!-- renders the results. --> <!-- renders the results. -->
<!-- =============================================================== --> <!-- =============================================================== -->
<button id="scd-btn" <button type="button" id="scd-btn"
style="display:block;width:100%;padding:18px;background:#e66d00;color:#fff;font-size:20px;font-weight:700;border:none;border-radius:10px;cursor:pointer;margin-bottom:8px;letter-spacing:0.3px;"> style="display:block;width:100%;padding:18px;background:#e66d00;color:#fff;font-size:20px;font-weight:700;border:none;border-radius:10px;cursor:pointer;margin-bottom:8px;letter-spacing:0.3px;">
Calculate Calculate
</button> </button>
@ -210,7 +210,7 @@
/* --- Read raw inputs --- */ /* --- Read raw inputs --- */
var a=parseFloat(document.getElementById('scd-amt').value), /* Investment amount (£) */ var a=parseFloat(document.getElementById('scd-amt').value), /* Investment amount (£) */
r=parseFloat(document.getElementById('scd-rate').value), /* Annual interest rate (%) */ r=parseFloat(document.getElementById('scd-rate').value), /* Annual interest rate (%) */
t=parseInt(document.getElementById('scd-term').value), /* Bond term (years) */ t=parseInt(document.getElementById('scd-term').value,10), /* Bond term (years) */
mEl=document.querySelector('input[name="scd-m"]:checked'), /* Selected payout method */ mEl=document.querySelector('input[name="scd-m"]:checked'), /* Selected payout method */
m=mEl?mEl.value:'cm', /* Default to compound-at-maturity */ m=mEl?mEl.value:'cm', /* Default to compound-at-maturity */
e=document.getElementById('scd-err'), /* Error container */ e=document.getElementById('scd-err'), /* Error container */
@ -245,7 +245,7 @@
if(ann){ if(ann){
p=i; /* yearly payout = this year's interest */ p=i; /* yearly payout = this year's interest */
}else if(y===t){ /* final year for at-maturity modes */ }else if(y===t){ /* final year for at-maturity modes */
p=cmp?bal+i:bal+i; /* pay out current balance + final interest */ p=cmp?bal+i:a+totI; /* cm: full accumulated balance; sm: principal + total simple interest */
} }
totP+=p; totP+=p;
@ -281,7 +281,7 @@
/* --- Populate summary cards --- */ /* --- Populate summary cards --- */
document.getElementById('scd-r-total').textContent=g(total); document.getElementById('scd-r-total').textContent=g(total);
document.getElementById('scd-r-interest').textContent=g(netI); document.getElementById('scd-r-interest').textContent=g(netI);
document.getElementById('scd-r-annual').textContent=(ann?'':'~')+g(yrInc)+(ann?'/yr':'/yr avg'); document.getElementById('scd-r-annual').textContent=g(yrInc)+(ann?'/yr':'/yr avg');
document.getElementById('scd-r-eff').textContent=eff.toFixed(2)+'%'; document.getElementById('scd-r-eff').textContent=eff.toFixed(2)+'%';
/* --- Update security tier display --- */ /* --- Update security tier display --- */