Continue from the answer

Press , type 6, press , type 4, and press : 10.. Start the next calculation with an operation: press , and the calculator writes ANS. Type 5 and press : 15.. For another calculation, type 8, press , type 2, and press : 16.. Press , then : 256.. This is not possible after several instructions, or when the result is a matrix or a vector.

▶ Watch this step in the video (44:38)