Blocalcs Hack 1.0 + Redeem Codes

Blocalcs is a puzzle where you have a grid with 16 numbers and you have to clear it by doing calculations. You must choose two blocks and the operation. The first block will do the operation with the second, being erased, and the result will replace the value of the second block. If the result is zero, both blocks will disappear. You win if all blocks disappear.