Splitting a bill step by step, without starting over
A worked example: a shared dinner, a voucher, a tip, and one person who only had a salad.
Four friends, one dinner bill of $184.60, and the usual questions: does the voucher come off first? Are we adding a tip? Why is Sam paying the same as everyone when Sam only had a salad? This is where a calculator that keeps your steps earns its place.
The figures below are a made-up example to show the method.
Step 1: take off the voucher
The table had a $20 voucher. Type 184.6 − 20 =. Your first step reads 184.6 − 20 = 164.6.
Step 2: add a 10% tip
Carry straight on from the answer: × 1.1 =. The second step reads 164.6 × 1.1 = 181.06.
Step 3: split four ways
÷ 4 = gives 45.265, so about $45.27 each.
Then someone points out the salad
Sam’s salad was $18 and everyone else’s mains were around $40. The group agrees Sam should pay for the salad plus a quarter of the shared drinks and sides. Rather than retyping the whole bill, tap step 1 in your history. The display goes back to 164.6, the total after the voucher, and you carry on from there.
Say Sam’s share works out at $30.50 after the tip. Type × 1.1 − 30.5 = to find what the other three owe between them, then ÷ 3 = for each person’s share.
Why this beats starting over
- Nothing has to be retyped, so there are fewer chances to mistype $184.60 as $148.60.
- Every step stays on screen, so anyone can check the working before they pay.
- You can try two versions (with tip, without tip) and compare them side by side in the history.
Your history is stored only in your own browser. Close the tab, come back tomorrow, and the steps are still there until you clear them.