User guide
Shopping cart calculator and budget tracker
The cart turns individual calculations into a practical supermarket budget. You can change quantities and monitor the running total.

How to use it
- 1Calculate a product price.
- 2Add the result to the shopping cart.
- 3Repeat for the other products you plan to buy.
- 4Review quantities and the total before checkout.
Helpful tips
- Remove products you decide not to buy to keep the estimate accurate.
- Compare the cart total with your shopping budget as you go.