Correct GST breakdown

For intra-state supply, GST is split equally into CGST and SGST. For inter-state supply, the full amount is shown as IGST.

Invoice-ready summary

Add an invoice reference and customer name, then print a clean calculation summary directly from the browser.

KEEP THE MOMENTUM

Calculate calendar age, totals, next birthday and adjustable life estimates with a live counter.

Calculate percentages, percentage change and reverse percentages.

Estimate monthly loan payments, total interest and repayment with a standard amortization formula.

Calculate final price, savings and combined discount/tax results.